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饿了吗隐藏组件image-viewer
链接: https://blog.csdn.net/zhanghui_new/article/details/112986582
import ElImageViewer from "element-ui/packages/image/src/image-viewer";
//单个vue只引用这一个组件写法
components: {ElImageViewer},
/**打开放大预览图 */
onPreview(pathlist) {
this.pathlist = pathlist
this.showViewer = true;
},
/**关闭放大预览图 */
closeViewer() {
this.showViewer = false;
this.pathlist = []
},
页面上
<el-image-viewer v-if="showViewer" :on-close="closeViewer" :url-list="pathlist" />
// message.js import { Message } from 'element-ui' const showMessage = Symbol('showMessage') class gtMessage { success(options, single=true) { this[showMessage]('success', options, single) } warning(options, single=true) { this[showMessage]('warning', options, single) } info(options, single=true) { this[showMessage]('info', options, single) } error(options, single=true) { this[showMessage]('error', options, single) } [showMessage](type, options, single) { if(single) { if(!document.querySelector('.el-message')) { Message[type](options) } } else { Message[type](options) } } } const gtMessageCase = new gtMessage() export default gtMessageCase;
// main.js
import gtMessage from "./message"
Vue.prototype.$gtmessage = gtMessage;
this.$gtmessage.success(msg);
<form onsubmit="getValue(event)">
<input type="text" id="myInput">
<button type="submit">获取输入框的内容</button>
</form>
<script>
function getValue(event) {
event.preventDefault(); // 阻止表单默认的提交行为
const input = document.getElementById("myInput");
const value = input.value;
console.log(value);
}
</script>
//换行
<a href="http://www.divcss5.com/jiqiao/j510.shtml"
title="第一排 第二排 第三排">title换行1</a>
<a href="http://www.divcss5.com/jiqiao/j510.shtml"
title="说明一 说明二 说明三">title换行2</a>
//在vue
:title="'xx'/n "
vuedraggable拖拽api外链: https://www.itxst.com/vue-draggable/tutorial.html
案例:
import draggable from "vuedraggable"; // 拖拽 //import引入的组件需要注入到对象中才能使用 components: { draggable, }, //#region ----------------------------------------------------------------------拖拽api---------------------------------------------------------------------- // 监听拖拽 change(event) { console.log("change"); console.log(event); console.log(this.checkedPoint); }, // 开始拖拽 start(event) { console.log("start"); console.log(event); console.log(this.checkedPoint); }, // 结束拖拽 end(event) { console.log("end"); // event.item 拖拽的本身 // event.to 拖拽的目标列表 // event.from 拖拽之前的列表 // event.oldIndex 拖拽前的位置 // event.newIndex 拖拽后的位置 console.log(event); console.log(this.checkedPoint); }, //#endregion
html
<draggable v-model="choosePointList" group="one" @change="change" @start="start" @end="end"> <el-col :xs="8" :sm="8" :md="8" :lg="6" :xl="6" v-for="(item) of choosePointList" :key="item.id"> <el-card shadow="hover" :class="['point-card' , item.photoid]"> <template #header> <div class="card-header"> <div> <el-checkbox v-model="item.checked" @change="checked=>pointchangeChecked(item,checked)">{{`路径点${item.id}`}}</el-checkbox> </div> <div> </div> <div style="width:180px"> <el-slider v-model="item.alt" :max="500"></el-slider> </div> </div> </template> <div style="font-size: 12px;"> <div><span class="fontweight">经纬度 : </span> {{`(${ (item.lng).toFixed(5)},${(item.lat).toFixed(5)})`}}</div> </div> </el-card> </el-col> </draggable>
一般用于点击显示下拉菜单而不需要显示选择框
<el-select ref="selectRef" class="fly-select" v-model="defaultUavSn" placeholder="请选择" @change="selectTrigger(defaultUavSn)">
<el-option v-for="(item,index) in uavs" :key="index" :label="item.uavName" :value="item.uavId">
<span style="float: left">{{ item.uavName }}</span>
<span style="float: right; color: #8492a6; font-size: 13px">{{ item.uavId }}</span>
</el-option>
</el-select>
在类样式fly-select 定位到需要点击的标签位置,并 opacity: 0;
并隐藏输入框
.uav-realtime {
position: relative;
.fly-select {
opacity: 0;
position: absolute;
top: 2px;
left: 0px;
}
}
点击标签 重复对应事件 通过$refs
打开下拉菜单
this.$refs.selectRef.toggleMenu();
selectUav() {
if (this.uavs.length > 0) {
const isVisable = this.$refs.selectRef.visible
this.$nextTick(() => {
this.$refs.selectRef.visible = !isVisable;
})
}
},
element中table动态合并行合并列: https://juejin.cn/post/7218850784331366437
数据都返回到前端 数据太多了 做的一个分页功能 el-table 分页
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