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大家好!我是我玩亚索我会C,在写小程序时,我们会有向用户发送消息的需求,比如发送提醒通知,或者是一些重要通知来形成一个服务的闭环。这就要用到微信的发送消息功能了,下面我使用Java语言来详细演示下如何使用一次性订阅消息发送消息给用户。
因为微信算是比较正式的社交软件,主动向用户发信息这个动作很容易被一些商家作为推销的手段,为了避免用户被骚扰所以就由用户直接来决定是否要接受该消息,这样设计很不错!
发送消息必须使用微信小程序官方提供的消息模板。消息模板可以在微信公众号平台获取(前提是你得注册过了),如下图:
选好模板后,点击操作栏的选用按钮即可。如下图:
(1)模板id: 模板的唯一标识,微信小程序端
和服务器端
都需使用,来确定使用那个模板。
(2)详细内容: 这里就是消息的内容,上图所示中的 温馨提示 就是标题,{{ting6.DATA}}
就是值。
剩余模板中的内容都不重要,在此不作赘述。
(1)一次性订阅:用户自主订阅后,可不限时间地下发一条对应的服务消息;每次订阅只能发送一条消息。
(2)长期订阅:用户订阅一次后,可长期下发多条消息。长期订阅对资质的要求很高,目前长期性订阅消息仅向政务民生、医疗、交通、金融、教育等线下公共服务开放,后期将逐步支持到其他线下公共服务业务。
本文选用的时一次性订阅。
(1)方法:wx.requestSubscribeMessage(Object object)
(微信官方文档入口)该wx.requestSubscribeMessage()
用在微信小程序端
,用于调起订阅消息界面。如下图:
(1)触发方式: wx.requestSubscribeMessage(Object object)
只能用于点击按钮触发。
(2)一次性消息: 在消息类型中提及到,一次性订阅消息
在用户自主订阅后,只能发送一次消息。
(1)前端Html代码:
...
//由点击事件调出订阅消息界面
<button bindtap="subScriptionMessage"></button>
...
(2) 前端JS代码:
...
//调出 模板消息界面
subScriptionMessage(){
wx.requestSubscribeMessage({
//模板id,可以写多个
tmplIds:['sn12-c51f_1PCY52t0u5UZbqKaS7z4G7U1mV-4ZH']
//成功回调
success(res){
console.log(res);
},
//失败回调
fail(res){
console.log(res);
}
})
}
...
(1)代码
import lombok.extern.slf4j.Slf4j;
//微信小程序id
private final String appId = "xxx";
//微信小程序密钥
private final String appSecret = "xxx";
//模板id
private final String templateId = "xxx";
//用户openid
private final String openUserId = "xxxx";
//消息内容-温馨提示
private final String warmTip = "hello,tough gay!";
//跳转页面地址
private final String pageUrl = "pages/index/index";
//获取token接口
private final String getTokenUrl = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid="+ appId + "&secret=" + appSecret;
//发送消息接口
private final String sendWxUserMsgUrl = "https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=";
public void sendMessage(){
//获取token
String accessTokenResult = HttpClientUtil.doGet(getTokenUrl);
String accessToken = JSONObject.parseObject(accessTokenResult).getString("access_token");
SendMsgToWxUserRequestDTO sendMsgToWxUserRequestDTO = new SendMsgToWxUserRequestDTO();
sendMsgToWxUserRequestDTO.setAccessToken(accessToken);
sendMsgToWxUserRequestDTO.setTouser(openUserId);
sendMsgToWxUserRequestDTO.setTemplate_id(templateId);
JSONObject key = new JSONObject();
//温馨提醒
JSONObject thing6OfValue = new JSONObject();
thing6OfValue.put("value",warmTip);
key.put("thing6",thing6OfValue);
//当前时间
JSONObject time2 = new JSONObject();
time2.put("value", DateUtil.dateToString(new Date(),DateUtil.DATETIME_FORMATTER));
key.put("time2",time2);
sendMsgToWxUserRequestDTO.setData(key);
sendMsgToWxUserRequestDTO.setPage(pageUrl);
String sendMessageUrl = sendWxUserMsgUrl + accessToken;
log.info("发送消息参数:{}",JSONObject.toJSONString(sendMsgToWxUserRequestDTO));
String s = HttpClientUtil.doPost(sendMessageUrl, JSONObject.toJSONString(sendMsgToWxUserRequestDTO));
log.info("发送消息参数,返回值:{}",s);
}
SendMsgToWxUserRequestDTO
类:
import com.alibaba.fastjson.JSONObject;
import lombok.Getter;
import lombok.Setter;
@Getter
@Setter
public class SendMsgToWxUserRequestDTO {
/**
* token
*/
private String accessToken;
/**
* 接收方openId
*/
private String touser;
private String template_id;
private String page;
/**
* 小程序模板数据
*/
private Object data;
private String miniprogram_state;
}
DateUtil
类:
package com.hjd.task.common.utils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.ObjectUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.time.DateFormatUtils;
import org.apache.commons.lang3.time.DateUtils;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAdjusters;
import java.util.*;
import java.util.regex.Pattern;
@Slf4j
public class DateUtil extends DateUtils {
/**
* 日期格式
*/
public static final String DATE_FORMATTER = "yyyy-MM-dd";
/**
* 日期格式无分割
*/
public static final String DATE_FORMATTER_NO_SEGMENTATION = "yyyyMMdd";
public static final String DATETIME_FORMATTER_NO_SEGMENTATION = "yyyyMMddHHmmss";
/**
* 时间格式
*/
public static final String DATETIME_FORMATTER = "yyyy-MM-dd HH:mm:ss";
/**
* 日期小时
*/
public static final String DATE_HOUR_FORMATTER = "yyyy-MM-dd HH:mm";
/**
* 小时分钟
*/
public static final String DATE_HOUR_STR_FORMATTER = "HH点mm分";
/**
* 小时分钟
*/
public static final String HOUR_MINUTE_FORMATTER = "HH:mm";
public static final String DATE_FORMATTER_NO_HMS = "yyyyMMdd";
/**
* 日期月份
*/
public static final String DATE_MONTH_FORMATER = "yyyy-MM";
/**
* 年
*/
public static final String YEAR_FORMATTER = "yyyy";
/**
* 月
*/
public static final String MONTH_FORMATTER = "MM";
/**
* 中国标准时间
* edg: Thu Feb 02 00:00:00 WET 2012.
*/
public static final String DATE_EEE_FORMATER = "EEE MMM dd HH:mm:ss zzz yyyy";
/**
* 日期带开始时间'T'格式
*/
public static final String DATE_T_FORMATER = "yyyy-MM-dd'T'HH:mm:ss";
/**
* 转成中文日期
*/
public static final String DATE_STR_FORMATER = "yyyy年MM月dd日";
/**
* 日期时间字符串格式
*/
public static final String DATETIME_STR_FORMATTER = "yyyy年MM月dd日 HH时mm分";
/**
* 日期字符串格式
*/
public static final String DATE_STR_FORMATTER = "yyyy年MM月dd日";
/**
* 月日字符串格式
*/
public static final String MONTH_DATE_FORMATTER = "MM月dd日";
/**
* 月日字符串格式
*/
public static final String MONTH_DATE_SHORT_FORMATTER = "M月d日";
/**
* 月日时间字符串格式
*/
public static final String MONTH_DATE_TIME_FORMATTER = "M月d日HH:mm";
/**
* 年/月/日 字符串格式
*/
public static final String YEAR_MONTH_DATE_FORMATTER = "yyyy/MM/dd";
/**
* 今天的最后时间
*/
public static final String NOW_END_TIME = "yyyy-MM-dd 23:59:59";
/**
* 今天的开始时间
*/
public static final String NOW_START_TIME = "yyyy-MM-dd 00:00:00";
/**
* 一天的毫秒数
*/
public static final Long DAY_MILLISECONDS = 86400000L;
/**
* 时间进制
*/
public static final Integer DAY_RADIX = 24;
public static final Integer TIME_RADIX = 60;
public static final Integer MILLISECONDS_RADIX = 1000;
public static final Long TWO_HOURS = 7200000L;
public static final Long ONE_DAY = 86400000L;
public static final long nd = 1000 * 24 * 60 * 60;
public static final long nh = 1000 * 60 * 60;
public static final long nm = 1000 * 60;
/**
* 获取两个日期相差的月数
*
* @param startDate 开始日期
* @param endDate 结束日期
* @return 如果d2>d1返回 月数差 否则返回0
*/
public static int getMonthDiff(Date startDate, Date endDate) {
if (endDate == null || startDate == null) {
return 0;
}
Calendar c1 = Calendar.getInstance();
Calendar c2 = Calendar.getInstance();
c1.setTime(endDate);
c2.setTime(startDate);
if (c1.getTimeInMillis() < c2.getTimeInMillis()) {
return 0;
}
int year1 = c1.get(Calendar.YEAR);
int year2 = c2.get(Calendar.YEAR);
int month1 = c1.get(Calendar.MONTH);
int month2 = c2.get(Calendar.MONTH);
int day1 = c1.get(Calendar.DAY_OF_MONTH);
int day2 = c2.get(Calendar.DAY_OF_MONTH);
// 获取年的差值 假设 d2 = 2015-8-16 d1 = 2011-9-30
int yearInterval = year1 - year2;
// 如果 d2的 月-日 小于 d1的 月-日 那么 yearInterval-- 这样就得到了相差的年数
if (month1 < month2 || month1 == month2 && day1 < day2) {
yearInterval--;
}
// 获取月数差值
int monthInterval = (month1 + 12) - month2;
if (day1 < day2) {
monthInterval--;
}
monthInterval %= 12;
return yearInterval * 12 + monthInterval;
}
/**
* 比较两个时间相差的天数
*
* @param beginDate
* @param endDate
* @return
*/
public static Long getDaysDiff(LocalDate beginDate, LocalDate endDate) {
return endDate.toEpochDay() - beginDate.toEpochDay();
}
/**
* 比较两个时间相差的天数
*
* @param startDate
* @param endDate
* @return
*/
public static Long getDaysDiff(Date startDate, Date endDate) {
if(ObjectUtils.isEmpty(startDate) || ObjectUtils.isEmpty(endDate)){
return null;
}
LocalDate beginTime = DateUtil.getDateToLocalDate(startDate);
LocalDate endTime = DateUtil.getDateToLocalDate(endDate);
return getDaysDiff(beginTime, endTime);
}
/**
* 计算两个时间相差的秒数
* @param startTime
* @param endTime
* @return
* @throws ParseException
*/
public static long getSecondDiff(String startTime, String endTime){
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
long eTime = 0;
long sTime = 0;
try {
eTime = df.parse(endTime).getTime();
sTime = df.parse(startTime).getTime();
} catch (ParseException e) {
e.printStackTrace();
}
long diff = (eTime - sTime) / 1000;
return diff;
}
/**
* 获取相差月份时的时间
*
* @param date 日期
* @param month 距date 相差月份 正数加 负数减
* @return
*/
public static String getMonthByDate(Date date, int month, String formatter) {
if (StringUtils.isEmpty(formatter)) {
formatter = DATETIME_FORMATTER;
}
return dateToString(getDifferInByDate(date, month), formatter);
}
/**
* 获取相差月份时的时间
*
* @param date 日期
* @param month 距date 相差月份 正数加 负数减
* @return
*/
public static Date getDifferInByDate(Date date, int month) {
if (date == null) {
return null;
}
Calendar c = Calendar.getInstance();
c.setTime(date);
c.add(Calendar.MONTH, month);
Date m = c.getTime();
return m;
}
/**
* 获取localDate日期的开始时间 {@link java.time.LocalTime}
* eg. 2018-06-11 13:31:31 return 2018-06-11 00:00:00
*
* @param localDate
* @return
* @author wangfuguo
*/
public static Date getDateBeginTime(LocalDate localDate) {
LocalDateTime localDateTime = LocalDateTime.of(localDate, LocalTime.MIN);
ZonedDateTime zonedDateTime = localDateTime.atZone(ZoneId.systemDefault());
return Date.from(zonedDateTime.toInstant());
}
/**
* 获取localDate日期的结束时间 {@link java.time.LocalTime}
* eg. 2018-06-11 13:31:31 return 2018-06-11 23:59:59.999999999
*
* @param localDate
* @return
* @author wangfuguo
*/
public static Date getDateEndTime(LocalDate localDate) {
LocalDateTime localDateTime = LocalDateTime.of(localDate, LocalTime.MAX);
ZonedDateTime zonedDateTime = localDateTime.atZone(ZoneId.systemDefault());
return Date.from(zonedDateTime.toInstant());
}
/**
* 获取localDate日期的结束时间 {@link LocalTime}
* eg. 2018-06-11 13:31:31 return 2018-06-11 23:59:59.000
*
* @param localDate
* @return
* @author leigang
*/
public static Date getEndTimeOfDay(LocalDate localDate) {
LocalDateTime localDateTime = LocalDateTime.of(localDate, LocalTime.of(23, 59, 59, 0));
ZonedDateTime zonedDateTime = localDateTime.atZone(ZoneId.systemDefault());
return Date.from(zonedDateTime.toInstant());
}
/**
* 获取dateTime 的开始时间
* @return
*/
public static Date getStartTimeDay(Date dateTime){
try {
String format = DateFormatUtils.format(dateTime, NOW_START_TIME);
Date endTime = DateUtils.parseDate(format, DATETIME_FORMATTER);
return endTime;
} catch (ParseException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取dateTime 的结束时间
* @return
*/
public static Date getEndTimeDay(Date dateTime){
try {
String format = DateFormatUtils.format(dateTime, NOW_END_TIME);
Date endTime = DateUtils.parseDate(format, DATETIME_FORMATTER);
return endTime;
} catch (ParseException e) {
e.printStackTrace();
}
return null;
}
/**
* 获取localDate日期的中午12.00{{@link java.time.LocalTime}
* eg 2019-03-28 14:32.36 retrun 2019-03-28 12:00:00
*
* @param localDate
* @return
* @author wugucheng
*/
public static Date getDateNoon(LocalDate localDate) {
LocalDateTime localDateTime = LocalDateTime.of(localDate, LocalTime.NOON);
ZonedDateTime zonedDateTime = localDateTime.atZone(ZoneId.systemDefault());
return Date.from(zonedDateTime.toInstant());
}
/**
* date 转 LocalDate
*
* @param date
* @return
*/
public static LocalDate dateToLocalDate(Date date) {
Instant instant = date.toInstant();
ZoneId zone = ZoneId.systemDefault();
LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
return localDateTime.toLocalDate();
}
/**
* 获取localDate日期所在月的开始日期
* eg. 2018-06-11 13:31:31 return 2018-06-01 00:00:00
*
* @param localDate
* @return
* @author wangfuguo
*/
public static Date getMonthFirstDay(LocalDate localDate) {
LocalDate firstDate = localDate.with(TemporalAdjusters.firstDayOfMonth());
return getDateBeginTime(firstDate);
}
/**
* 获取localDate日期所在月的结束日期
* eg. 2018-06-11 13:31:31 return 2018-06-30 23:59:59.999999999
*
* @param localDate
* @return
* @author wangfuguo
*/
public static Date getMonthLastDay(LocalDate localDate) {
LocalDate firstDate = localDate.with(TemporalAdjusters.lastDayOfMonth());
return getDateEndTime(firstDate);
}
/**
* 获取localDate日期所在年的开始日期
* eg. 2018-06-11 13:31:31 return 2018-06-01 00:00:00
*
* @param localDate
* @return
* @author leiGang
*/
public static Date getYearFirstDay(LocalDate localDate) {
LocalDate firstDate = localDate.with(TemporalAdjusters.firstDayOfYear());
return getDateBeginTime(firstDate);
}
/**
* 日期转字符串
*
* @param date
* @param formatter
* @return
*/
public static String dateToString(Date date, String formatter) {
if (date == null) {
return null;
}
if (StringUtils.isEmpty(formatter)) {
formatter = DATETIME_FORMATTER;
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formatter);
return simpleDateFormat.format(date);
}
/**
* 日期转字符串
*
* @param date
* @param formatter
* @return
*/
public static String dateToStringStr(Date date, String formatter) {
if (date == null) {
return null;
}
if (StringUtils.isEmpty(formatter)) {
formatter = DATE_STR_FORMATER;
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formatter);
return simpleDateFormat.format(date);
}
/**
* 毫秒值转日期
*
* @param time
* @param formatter
* @return
*/
public static Date timeMillisToDate(long time, String formatter) {
if (time == 0) {
return null;
}
if (StringUtils.isEmpty(formatter)) {
formatter = DATETIME_FORMATTER;
}
try {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formatter);
Date date = new Date();
date.setTime(time);
return date;
} catch (Exception e) {
log.error("毫秒值转日期错误!", e);
return null;
}
}
/**
* 字符串转日期
*
* @param dateString
* @param formatter
* @return
*/
public static Date stringToDate(String dateString, String formatter) {
if (StringUtils.isEmpty(dateString)) {
return null;
}
if (StringUtils.isEmpty(formatter)) {
formatter = DATETIME_FORMATTER;
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formatter);
try {
return simpleDateFormat.parse(dateString);
} catch (ParseException e) {
log.error("字符串转日期错误!", e);
return null;
}
}
/**
* CST字符串转日期
*
* @param dateString
* @param formatter
* @return
*/
public static Date stringCSTToDate(String dateString, String formatter) {
if (StringUtils.isEmpty(dateString)) {
return null;
}
if (StringUtils.isEmpty(formatter)) {
formatter = DATE_EEE_FORMATER;
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(formatter, Locale.US);
try {
return simpleDateFormat.parse(dateString);
} catch (ParseException e) {
log.error("字符串转日期错误!", e);
return null;
}
}
/**
* java.util.Date --> java.time.LocalDate
*/
public static LocalDate getDateToLocalDate(Date date) {
Instant instant = date.toInstant();
ZoneId zone = ZoneId.systemDefault();
LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
return localDateTime.toLocalDate();
}
/**
* 比较
*
* @param startTime endTime
* @return
* @Author wugucheng
*/
public static Long compare(Date startTime, Date endTime) {
return endTime.getTime() - startTime.getTime();
}
/**
* 得到两日期之间的毫秒数
*
* @param date1
* @param date2
* @return
*/
public static long subDate(Date date1, Date date2) {
if (date1 == null || date2 == null) {
return 0;
}
return date1.getTime() - date2.getTime();
}
/**
* 计算已用耗时小时
*
* @param date1
* @param date2
* @return
*/
public static Long getTwoDateHour(Date date1, Date date2) {
return getTwoDateTotalMin(date1, date2) / TIME_RADIX;
}
/**
* 计算已用耗时分钟
*
* @param date1
* @param date2
* @return
*/
public static Long getTwoDateMin(Date date1, Date date2) {
return getTwoDateTotalMin(date1, date2) % TIME_RADIX;
}
/**
* 获取两个时间之间的分钟数
*
* @param date1
* @param date2
* @return
*/
public static long getTwoDateTotalMin(Date date1, Date date2) {
if (date1 == null || date2 == null) {
return 0L;
}
long timeMils = date1.getTime() - date2.getTime();
return timeMils / (MILLISECONDS_RADIX * TIME_RADIX);
}
/**
* 根据分钟获取小时和分钟
*
* @param min
* @return
*/
public static String getHourAndMin(Long min) {
if (min == null || min <= 0) {
return "0小时0分";
}
return min / TIME_RADIX + "小时" + min % TIME_RADIX + "分钟";
}
/**
* 根据毫秒计算天数(向上取整)
*
* @param milliseconds
* @return
*/
public static Long getDaysByMillisecondsCeil(Long milliseconds) {
if (milliseconds == null) {
return null;
}
Long radix = (long) DAY_RADIX * (long) TIME_RADIX * (long) TIME_RADIX * (long) MILLISECONDS_RADIX;
if (milliseconds % radix != 0) {
return milliseconds / radix + 1;
}
return milliseconds / radix;
}
/**
* 判断是否是同一年
*
* @param date1
* @param date2
* @return
*/
public static boolean isSameYear(Date date1, Date date2) {
if (date1 == null || date2 == null) {
throw new IllegalArgumentException("The date must not be null");
}
Calendar cal1 = Calendar.getInstance();
cal1.setTime(date1);
Calendar cal2 = Calendar.getInstance();
cal2.setTime(date2);
boolean isSameYear = cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA) &&
cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR);
return isSameYear;
}
/**
* 判断是否是同一月
*
* @param date1
* @param date2
* @return
*/
public static boolean isSameMonth(Date date1, Date date2) {
if (date1 == null || date2 == null) {
throw new IllegalArgumentException("The date must not be null");
}
Calendar cal1 = Calendar.getInstance();
cal1.setTime(date1);
Calendar cal2 = Calendar.getInstance();
cal2.setTime(date2);
boolean isSameMonth = cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA) &&
cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
&& cal1.get(Calendar.MONTH) == cal2.get(Calendar.MONTH);
return isSameMonth;
}
/**
* 判断是否是同一天
*
* @param date1
* @param date2
* @return
*/
public static boolean isSameDay(Date date1, Date date2) {
if (date1 == null || date2 == null) {
throw new IllegalArgumentException("The date must not be null");
}
Calendar cal1 = Calendar.getInstance();
cal1.setTime(date1);
Calendar cal2 = Calendar.getInstance();
cal2.setTime(date2);
boolean isSameDay = cal1.get(Calendar.ERA) == cal2.get(Calendar.ERA) &&
cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
&& cal1.get(Calendar.DAY_OF_YEAR) == cal2.get(Calendar.DAY_OF_YEAR);
return isSameDay;
}
/**
* 获取当前时间+1天(第二天凌晨)
*
* @param str num 天数
* @return
* @Author wugucheng
*/
public static Date addMidDay(Date str, int num) {
Calendar rightNow = Calendar.getInstance();
Date formatStr = new Date();
try {
rightNow.setTime(str);
rightNow.add(Calendar.DATE, num);
formatStr = rightNow.getTime();
} catch (Exception e) {
log.info("s!", e);
}
return formatStr;
}
/**
* 获取当前时间加小时
*
* @param str num 小时
* @return
* @Author wugucheng
*/
public static Date addHour(Date str, int num) {
Calendar rightNow = Calendar.getInstance();
Date formatStr = new Date();
try {
rightNow.setTime(str);
rightNow.add(Calendar.HOUR, num);
formatStr = rightNow.getTime();
} catch (Exception e) {
log.info("s!", e);
}
return formatStr;
}
/**
* 获取时间文本
*
* @param hour
* @param minute
* @return
*/
public static String getTimeString(Integer hour, Integer minute) {
if (hour == null && minute == null) {
return null;
}
if (hour == null) {
return minute + "分钟";
}
if (minute == null) {
return hour + "小时";
}
return hour + "小时" + minute + "分钟";
}
/**
* 获取下 num 月时间
*
* @param date
* @param num
* @return
*/
public static Date addMidMonth(Date date, int num) {
Calendar calendar = Calendar.getInstance();
Date formatStr = new Date();
try {
calendar.setTime(date);
calendar.add(Calendar.MONTH, num);
formatStr = calendar.getTime();
} catch (Exception e) {
log.info("s!", e);
}
return formatStr;
}
/**
* 日期转星期几
*
* @param date
* @return -1表示无效
*/
public static int dateToWeek(Date date) {
if (date == null) {
return -1;
}
int[] weekDays = {7, 1, 2, 3, 4, 5, 6};
Calendar cal = Calendar.getInstance(); // 获得一个日历
cal.setTime(date);
int w = cal.get(Calendar.DAY_OF_WEEK) - 1; // 指示一个星期中的某天。
if (w < 0) {
return -1;
}
return weekDays[w];
}
/**
* 返回date的时分
*
* @param date
* @return
*/
public static String getDateHourAndMinus(Date date) {
if (date == null) {
return null;
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm");
return simpleDateFormat.format(date);
}
/**
* 返回date的年月日
*
* @param date
* @return
*/
public static String getDateYearAndMonthAndDay(Date date) {
if (date == null) {
return null;
}
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
return simpleDateFormat.format(date);
}
/**
* 获取单独的日并将date->int
*
* @param date
* @return
*/
public static int getDayCount(Date date) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(date.getTime());
int day = cal.get(Calendar.DATE);
return day;
}
/**
* 获取当月总天数
*
* @param date
* @return
*/
public static int getDaysOfMonth(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.getActualMaximum(Calendar.DAY_OF_MONTH);
}
/**
* 获取当年总天数
*
* @param date
* @return
*/
public static int getDaysOfYear(Date date) {
Calendar calendar = Calendar.getInstance();
calendar.setTime(date);
return calendar.getActualMaximum(Calendar.DAY_OF_YEAR);
}
/**
* 获取当前时间-n月
*
* @param str num 月数
* @return
*/
public static Date reduceMonth(Date str, int num) {
Calendar rightNow = Calendar.getInstance();
Date formatStr = new Date();
try {
rightNow.setTime(str);
rightNow.add(Calendar.MONTH, -num);
formatStr = rightNow.getTime();
} catch (Exception e) {
log.info("s!", e);
}
return formatStr;
}
/**
* 获取两个日期之间的所有日期 (不包含结束日期)
*
* @param startDate
* @param endDate
* @return
*/
public static List<Date> getBetweenDates(Date startDate, Date endDate) {
List<Date> result = new ArrayList<>();
Calendar tempStart = Calendar.getInstance();
tempStart.setTime(startDate);
Calendar tempEnd = Calendar.getInstance();
tempEnd.setTime(endDate);
while (tempStart.before(tempEnd)) {
result.add(tempStart.getTime());
tempStart.add(Calendar.DAY_OF_YEAR, 1);
}
return result;
}
/**
* 获取两个日期之间的日期字符串
*
* @param startDate
* @param endDate
* @param dateFormatStr
* @return
*/
public static List<String> getBetweenDatesStr(String startDate, String endDate, String dateFormatStr) {
List<String> days = new ArrayList<>();
DateFormat dateFormat = new SimpleDateFormat(dateFormatStr);
try {
Date start = dateFormat.parse(startDate);
Date end = dateFormat.parse(endDate);
Calendar tempStart = Calendar.getInstance();
tempStart.setTime(start);
Calendar tempEnd = Calendar.getInstance();
tempEnd.setTime(end);
tempEnd.add(Calendar.DATE, +1);// 日期加1(包含结束)
while (tempStart.before(tempEnd)) {
days.add(dateFormat.format(tempStart.getTime()));
tempStart.add(Calendar.DAY_OF_YEAR, 1);
}
} catch (ParseException e) {
e.printStackTrace();
}
return days;
}
/**
* yyyy-mm格式获取相差num月格式
*
* @param month
* @param num
* @return
*/
public static String getMonthAddNum(String month, int num) {
Date date = DateUtil.stringToDate(month, DateUtil.DATE_MONTH_FORMATER);
return DateUtil.dateToString(DateUtil.addMidMonth(date, num), DateUtil.DATE_MONTH_FORMATER);
}
/**
* 获取当前时间当年最后一天
*
* @param date
* @return Date
*/
public static Date getLastDayOfYear(final Date date) {
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
final int last = cal.getActualMaximum(Calendar.DAY_OF_YEAR);
cal.set(Calendar.DAY_OF_YEAR, last);
return cal.getTime();
}
/**
* 获取传入时间是哪月
*
* @param date 日期
* @return
*/
public static int getDateOfMonth(Date date) {
if (date == null) {
return 0;
}
Calendar c1 = Calendar.getInstance();
c1.setTime(date);
return c1.get(Calendar.MONTH) + 1;
}
/**
* 事件+分钟数
*
* @param date 日期
* @return
*/
public static Date addMinuteToDate(Date date, int num) {
SimpleDateFormat sdf = new SimpleDateFormat(DateUtil.DATE_HOUR_FORMATTER);
Calendar c1 = Calendar.getInstance();
c1.setTime(date);
c1.add(Calendar.MINUTE, num);
return stringToDate(sdf.format(c1.getTime()), DateUtil.DATE_HOUR_FORMATTER);
}
/**
* 返回指定月份的最后一天的59分59秒
*/
public static Date getLastMonthOfDate(Date date) {
Calendar para = Calendar.getInstance(java.util.Locale.CHINA);
para.setTime(date);
para.set(Calendar.DATE, para.getActualMaximum(Calendar.DAY_OF_MONTH));
para.set(Calendar.HOUR_OF_DAY, 23);
para.set(Calendar.MINUTE, 59);
para.set(Calendar.SECOND, 59);
return para.getTime();
}
/**
* 获取本周的开始时间
*
* @return
*/
public static Date getBeginTimeOfWeek() {
Calendar cal = Calendar.getInstance();
cal.setFirstDayOfWeek(Calendar.MONDAY);
cal.set(cal.get(Calendar.YEAR), cal.get(Calendar.MONDAY), cal.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
cal.set(Calendar.DAY_OF_WEEK, Calendar.MONDAY);
return cal.getTime();
}
/**
* 获取上月第一天
*/
public static Date getLastMonthFirstDay() {
SimpleDateFormat myFormatter = new SimpleDateFormat("yyyy-MM-dd");
Calendar cal = Calendar.getInstance();
cal.add(Calendar.MONTH, -1);
cal.set(Calendar.DAY_OF_MONTH, 1);
return DateUtil.stringToDate(myFormatter.format(cal.getTime()) + " 00:00:00", DateUtil.DATETIME_FORMATTER);
}
/**
* 获取上月最后一天
*/
public static Date getLastMonthEndDay() {
Calendar calendar = Calendar.getInstance();
int month = calendar.get(Calendar.MONTH);
calendar.set(Calendar.MONTH, month - 1);
calendar.set(Calendar.DAY_OF_MONTH, calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
calendar.set(Calendar.HOUR_OF_DAY, 23);
calendar.set(Calendar.MINUTE, 59);
calendar.set(Calendar.SECOND, 59);
return calendar.getTime();
}
/**
* 是分割日期格式
*
* @param date
* @return
*/
public static boolean isDivDate(String date) {
if (StringUtils.isBlank(date)) {
return false;
}
Pattern pattern = Pattern.compile("^[0-9]{4}-(((0[13578]|(10|12))-(0[1-9]|[1-2][0-9]|3[0-1]))|(02-(0[1-9]|[1-2][0-9]))|((0[469]|11)-(0[1-9]|[1-2][0-9]|30)))$");
boolean matches = pattern.matcher(date).matches();
if (!matches) {
return false;
}
return true;
}
/**
* 是无分割日期格式
*
* @param date
* @return
*/
public static boolean isNoDivDate(String date) {
if (StringUtils.isBlank(date)) {
return false;
}
Pattern pattern = Pattern.compile("^([0-9]\\d{3}((0[1-9]|1[012])(0[1-9]|1\\d|2[0-8])|(0[13456789]|1[012])(29|30)|(0[13578]|1[02])31)|(([2-9]\\d)(0[48]|[2468][048]|[13579][26])|(([2468][048]|[3579][26])00))0229)$");
boolean matches = pattern.matcher(date).matches();
if (!matches) {
return false;
}
return true;
}
/**
* 是日期格式字符串
*
* @param date
* @return
*/
public static boolean isDateStr(String date) {
if (StringUtils.isBlank(date)) {
return false;
}
return isDivDate(date) || isNoDivDate(date);
}
/**
* 两个时间相差是否大于两小时
*
* @param startDate
* @param endDate
* @return
*/
public static boolean subTimeThanTwoHours(Date startDate, Date endDate) {
return endDate.getTime() - startDate.getTime() >= TWO_HOURS;
}
/**
* 两个时间相差是否大于一天
*
* @param startDate
* @param endDate
* @return
*/
public static boolean subTimeThanOneDay(Date startDate, Date endDate) {
return endDate.getTime() - startDate.getTime() >= ONE_DAY;
}
/**
* 当前时间是否在两个时间段之内(跨日期,小时)
*
* @param startTime
* @param endTime
* @return
*/
public static boolean isBetweenTime(LocalTime startTime, LocalTime endTime, LocalTime betweenTime) {
return betweenTime.isAfter(startTime) || betweenTime.isBefore(endTime);
}
/**
* date转 LocalTime
*
* @param date
* @return
*/
public static LocalTime dateToLocalTime(Date date) {
Instant instant = date.toInstant();
ZoneId zone = ZoneId.systemDefault();
LocalDateTime localDateTime = LocalDateTime.ofInstant(instant, zone);
return localDateTime.toLocalTime();
}
/**
* 转有分割日期
*
* @param dateStr
* @return
*/
public static String toDivDateStr(String dateStr) {
if (StringUtils.isBlank(dateStr)) {
return null;
}
if (isDivDate(dateStr)) {
return dateStr;
}
if (isNoDivDate(dateStr)) {
return StringUtils.substring(dateStr, 0, 4) + "-" + StringUtils.substring(dateStr, 4, 6) + "-" + StringUtils.substring(dateStr, 6, 8);
}
return null;
}
/**
* 获取传入日期所在月的第一天
*
* @param date
* @return
*/
public static Date getFirstDayDateOfMonth(final Date date) {
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
final int last = cal.getActualMinimum(Calendar.DAY_OF_MONTH);
cal.set(Calendar.DAY_OF_MONTH, last);
return cal.getTime();
}
/**
* 获取传入日期所在月的最后一天
*
* @param date
* @return
*/
public static Date getLastDayOfMonth(final Date date) {
final Calendar cal = Calendar.getInstance();
cal.setTime(date);
final int last = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
cal.set(Calendar.DAY_OF_MONTH, last);
return cal.getTime();
}
/**
* 根据时间往前往后推N分钟
* @param time
* @param number
* @return
*/
public static Date adjustTimeFromNumber(Date time, Integer number){
Calendar calendar = Calendar.getInstance();
calendar.setTime(time);
calendar.add(Calendar.MINUTE, number);
return calendar.getTime();
}
/**
* 获取精确到秒的时间戳
* @param date
*/
public static String getSecondTimestamp(Date date) {
if (null == date) {
return "0";
}
return String.valueOf(date.getTime() / 1000);
}
/**
* 计算两个时间相差的天 时 分
* @param endDate
* @param nowDate
* @return
*/
public static String getDiffDayHourMinute(Date endDate, Date nowDate) {
// 获得两个时间的毫秒时间差异
long diff = endDate.getTime() - nowDate.getTime();
// 计算差多少天
long day = Math.abs(diff / nd);
// 计算差多少小时
long hour = Math.abs(diff % nd / nh);
// 计算差多少分钟
long min = Math.abs(diff % nd % nh / nm);
return day + "天" + hour + "小时" + min + "分钟";
}
/**
* 计算两个时间相差的天 时 分
* @param endDate
* @param nowDate
* @return 返回Map
*/
public static Map<String,Long> getDiffDayHourMinuteMap(Date endDate, Date nowDate) {
Map<String,Long> dhmMap = new HashMap();
// 获得两个时间的毫秒时间差异
long diff = endDate.getTime() - nowDate.getTime();
// 计算差多少天
long day = Math.abs(diff / nd);
// 计算差多少小时
long hour = Math.abs(diff % nd / nh);
// 计算差多少分钟
long min = Math.abs(diff % nd % nh / nm);
dhmMap.put("day",day);
dhmMap.put("hour",hour);
dhmMap.put("min",min);
return dhmMap;
}
/**
* 获取今天星期几
* @param nowDate 今日的日期
* @return
*/
public static String getDayOfTheWeek(Date nowDate){
String[] weeks = {"周日","周一","周二","周三","周四","周五","周六"};
Calendar cal = Calendar.getInstance();
cal.setTime(nowDate);
int week_index = cal.get(Calendar.DAY_OF_WEEK) - 1;
if(week_index<0){
week_index = 0;
}
return weeks[week_index];
}
/**
* endTime 在当前时间之前
* @param nowTime
* @param endTime
* @return
*/
public static Boolean isBeforeNowTime(Date nowTime,Date endTime){
if(ObjectUtils.isEmpty(nowTime) || ObjectUtils.isEmpty(endTime)){
return null;
}
if(nowTime.getTime() > endTime.getTime()){
return true;
}else if(nowTime.getTime() < endTime.getTime()){
return false;
}
return null;
}
/**
* long转date
* @param dateLong 毫秒
* @return
*/
public Date longToDate(long dateLong){
Date date = new Date(dateLong);
return date;
}
/**
* date转long
* @param date
* @return
*/
public long dateToLong(Date date){
long dateLong = date.getTime();
return dateLong;
}
/**
* 获取当前日期的前一天
* @return
*/
public static String getCurrentDateBeforeDay(){
Calendar cal =Calendar.getInstance();
cal.add(Calendar.DATE, -1);
String yesterday = new SimpleDateFormat( "yyyy-MM-dd ").format(cal.getTime());
return yesterday;
}
/**
* 将秒转换为 天,小时,分钟
* @param second
* @return
*/
public static String secondToDayHourMin(Long second){
long days = second / (60 * 60 * 24);
long hours = (second % (60 * 60 * 24)) / (60 * 60);
long minutes = (second % (60 * 60)) / (60);
long seconds = second % 60;
if(seconds >= 30){
minutes++;
}
return days + "," + hours + "," + minutes;
}
/**
* 字符串日期转小时
* @param date 字符串日期
* @param format 日期格式
* @return
*/
public static Integer stringDateToHour(String date,String format){
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(format);
SimpleDateFormat sdf = new SimpleDateFormat("HH");
String hhToString = null;
try {
hhToString = sdf.format( simpleDateFormat.parse(date));
} catch (ParseException e) {
e.printStackTrace();
}
Integer hhToInt = Integer.valueOf(hhToString);
return hhToInt;
}
/**
* 获取一年的开始时间
* @param date
* @return
*/
public static Date getBeginDayOfYear(String date) {
LocalDate today;
if (null==date){
today = LocalDate.now();
}else {
DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd");
today=LocalDate.parse(date, fmt);
}
today = LocalDate.of(today.getYear(), Month.JANUARY, 1);
LocalDateTime localDateTime = today.atTime(00, 00, 01);
ZoneId zoneId = ZoneId.systemDefault();
ZonedDateTime zonedDateTime = localDateTime.atZone(zoneId);
Date dateTime = Date.from(zonedDateTime.toInstant());
return dateTime;
}
/**
* 获取一年的结束时间
* @param date
* @return
*/
public static Date getEndDayOfYear(String date) {
LocalDate today;
if (null==date){
today = LocalDate.now();
}else {
DateTimeFormatter fmt = DateTimeFormatter.ofPattern("yyyy-MM-dd");
today=LocalDate.parse(date, fmt);
}
today = LocalDate.of(today.getYear(), Month.DECEMBER, Month.DECEMBER.length(today.isLeapYear()));
LocalDateTime localDateTime = today.atTime(23, 59, 59);
ZoneId zoneId = ZoneId.systemDefault();
ZonedDateTime zonedDateTime = localDateTime.atZone(zoneId);
Date dateTime = Date.from(zonedDateTime.toInstant());
return dateTime;
}
}
HttpClientUtil
类:
package com.hjd.task.common.utils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.commons.lang3.StringUtils;
import org.jsoup.Connection;
import org.jsoup.Jsoup;
import java.io.IOException;
import java.util.Map;
@Slf4j
public class HttpClientUtil {
private static final HttpClient httpClient = new HttpClient();
static {
httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(15000);
}
/**
* JSoup Post请求
* @param url 地址
* @param params JSON参数
* @return JSON字符串返回值
*/
public static String doPostJSoup(String url, String params) {
Connection.Response response = null;
try {
response = Jsoup.connect(url)
.header("content-type", "application/json;charset=utf-8")
.method(Connection.Method.POST)
.requestBody(params)
.ignoreContentType(true)
.execute();
return response.body();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* JSoup Post请求 带有 token
* @param url 地址
* @param tokenName token名称
* @param token token值
* @param params 参数
* @return JSON字符串返回值
*/
public static String doPostJSoup(String url,String tokenName,String token,String params){
Connection.Response response = null;
try {
Connection connect = Jsoup.connect(url);
connect.method(Connection.Method.POST);
if(StringUtils.isNotEmpty(tokenName) && StringUtils.isNotEmpty(token)){
connect.header(tokenName,token);
}
response = connect.ignoreContentType(true)
.execute();
return response.body();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* JSoup Get请求
* @param url 地址
* @param params 参数 类型Map
* @return JSON字符串返回值
*/
public static String doGetJSoup(String url, Map<String,String> params){
Connection.Response response = null;
try {
Connection connect = Jsoup.connect(url);
connect.method(Connection.Method.GET);
for(Map.Entry<String,String> entry : params.entrySet()){
connect.data(entry.getKey(),entry.getValue());
}
response = connect.ignoreContentType(true)
.execute();
return response.body();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
/**
* 发送POST请求
*
* @param url
* @param paramJson
* @return
*/
public static String doPost(String url, String paramJson) {
log.info("开始发送POST请求;url:{};参数:", url, paramJson);
PostMethod postMethod = new PostMethod(url);
// 设置post请求超时时间
postMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 60000);
postMethod.addRequestHeader("Content-Type", "application/json");
String response = null;
try {
RequestEntity entity = new StringRequestEntity(paramJson, "application/json", "UTF-8");
postMethod.setRequestEntity(entity);
httpClient.executeMethod(postMethod);
response = postMethod.getResponseBodyAsString();
postMethod.releaseConnection();
} catch (IOException e) {
log.info("POST发出请求异常,异常原因:{}", e);
e.printStackTrace();
}
log.info("发送POST请求结束,返回值为:{}", response);
return response;
}
/**
* 发送GET请求
*
* @param urlParam
* @return
*/
public static String doGet(String urlParam) {
log.info("开始发送GET请求;url:{};", urlParam);
GetMethod getMethod = new GetMethod(urlParam);
getMethod.getParams().setParameter(HttpMethodParams.SO_TIMEOUT, 60000);
getMethod.addRequestHeader("Content-Type", "application/json");
String response = null;
try {
httpClient.executeMethod(getMethod);
response = getMethod.getResponseBodyAsString();
} catch (IOException e) {
log.info("GET发出请求异常,异常原因:{}", e);
e.printStackTrace();
}
log.info("发送GET请求结束,返回值为:{}", response);
return response;
}
}
(2)发送消息效果:
(1)调用获取token接口:
接口:
GET
: https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APP_ID&secret=APP_SECRET
请求参数:
appid | secret |
---|---|
小程序id | 小程序密钥 |
参数说明:
appid
和secret
两个的值,可以在微信小程序后台找到。
返回值:
access_token | expires_in |
---|---|
token值 | 有效时间 |
(2)调用发送消息接口:
接口:
POST
: https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=TOKEN
请求参数:
accessToken | touser | template_id | page | data |
---|---|---|---|---|
token | 消息接收人 | 消息模板id | 点击消息详情跳转页面 | 消息内容 |
参数说明:
token
: 通过步骤1
获取
toUser:
是微信用户的openId
,在微信小程序登陆获取用户信息时可以拿到。
page:
是点击消息进入小程序查看
后跳转的页面。
data:
是消息模板中的内容。需要注意消息模板中的内容都是以key
和value
的形式进行赋值并且展示的,拿下面的一个工作通知
模板做例子:
我们可以看到该消息模板中的消息内容只有两个:温馨提示
和时间
,分别对应的key
是thing6
和time2
。
切记,key
一定要保持和模板中的一致!!!
错误内容:
{"errcode":47003,"errmsg":"argument invalid! data.thing6.value invalid rid: 63904a7c-774dbdca-33bce62d"}
原因:
(1)消息模板中的值为空。凡是在消息模板中展示的字段都是必填的。
(2)代码中的key
和目标中的不对应。
(3)key
对应的value
内容过长。
通过上述介绍,我想大家对微信小程序
发送模板消息
有两个大概的认识。
我们知道用户同意订阅消息
后,服务器端只能发一条
消息给用户,后面如果想再次发送,还需要去询问用户是否订阅。那么如果我们想持续的给用户发消息呢?我们该如何应对这样的场景呢?
在询问用户是否同意接收消息时,下方有个总是保持以上选择
,如果用户勾选了
,并点击确定
,那么后面如果再次询问用户是否同意接收消息时,就不会弹出订阅消息界面
。
我们该如何判断用户勾选了保持以上选择
呢?
可以通过微信小程序的wx.getSetting({})
方法。这个方法会在勾选了保持以上选择
后,会打印出模板id。所以我们需要在订阅界面
成功回调方法中,判断下setting
中是否包含模板id。
字段:check_flag
表示,表示是否勾选 总是保持以上选择
,true:勾选了
,false:未勾选
。wx.requestSubscribeMessage()
成功回调方法中调用wx.setting()
中判断用户是否勾选了总是保持以上选择
。check_flag=true
。微信小程序
中必点击的地方,添加调用wx.requestSubscribeMessage()
方法。check_flag
为true
时调用wx.requestSubscribeMessage()
。然后就可以实现用户在登陆界面点击一次发送多条消息给用户。如果用户不想再次接收消息。可以在我小程序右上角三个点设置
中修改即可。
//在用户必点的地方,调用订阅消息方法
clickSubscribeMessage(){
let flag = wx.getStorageSync('checkFlag');
console.log(false);
//订阅消息
if(flag == 1){
let workTaskTemplateId = app.globalData.workTaskTemplateId;
wx.requestSubscribeMessage({
tmplIds: [workTaskTemplateId],
success(res){
console.log(res);
},
fail(res){
console.log(res);
}
})
}
}
...
//订阅消息
subScriptionMessage(){
var that = this;
//模板id
let workTaskTemplateId = 'xxx';
wx.requestSubscribeMessage({
tmplIds: [workTaskTemplateId],
success (res) {
if(JSON.stringify(res).indexOf("reject") != -1){
console.log("拒绝")
}
if(JSON.stringify(res).indexOf("accept") != -1){
console.log("接受")
wx.getSetting({
withSubscriptions: true,
success (res) {
console.log(res.subscriptionsSetting)
if(JSON.stringify(res.subscriptionsSetting).indexOf(workTaskTemplateId) != -1){
console.log("用户选择了“保持以上选择”")
that.checkFlag();
}
}
})
}
},
fail(res){
console.log(res);
}
})
},
...
//请求后台接口,修改check_flag
checkFlag(){
//请求后台修改check_flag 字段为true
wx.request({
url: 'xxxx',
...
success:function(res){
//如果修改成功将check_status字段放到storage中
wx.setStorageSync("checkFlag",true)
},
fail:function(res){},
})
}
如果大家有更好的方法请留言。上面截图例子来自于我做的一个微信小程序TaskPlan
。链接如下,欢迎来参观:
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