解决antd upload自定义上传customRequest，上传时一直loading加载的问题_antd upload customrequest

问题：antd自定义上传customRequest时，无法正常显示上传成功状态，一直在上传的loading状态中。

查看customRequest参数

解决方法：调用onSuccess事件，解决loading一直加载的问题。

<template>
    <a-upload
        ref="filesUpload"
        :class="['isbm-files-upload', { 'hidden-upload-button': !showUploadButton }]"
        v-model:file-list="innerFileList"
        :action="action"
        :data="data"
        :accept="accept"
        :disabled="disabled"
        :multiple="multiple"
        :maxCount="maxCount"
        :show-upload-list="{ showPreviewIcon: true, showDownloadIcon: true, showRemoveIcon: true }"
        :beforeUpload="beforeUpload"
        :customRequest="customRequest"
        @preview="handlePreview"
        @change="handleChange"
        @download="handleDownload"
        @remove="handleRemove"
    >
        <div>
            <a-button :type="buttonType" :disabled="disabled">
                <template #icon><upload-outlined></upload-outlined></template>
                上传附件
            </a-button>
        </div>

        <template #downloadIcon>下载</template>
        <template #removeIcon>删除</template>
    </a-upload>
</template>

<script setup>
import { ref, computed, getCurrentInstance } from 'vue';
import { UploadOutlined } from '@ant-design/icons-vue';
import fileRequest from '@/config/fileRequest.js';
import { getFileType, downloadNormal } from '@/utils';

const props = defineProps({
    action: {
        // 自定义上传的地址
        type: String,
        default: '/system/file/upload' // 默认上传地址
    },
    data: {
        type: Object,
        default() {
            return {
                bizType: ''
            };
        }
    },
    fileList: {
        type: Array,
        default() {
            return [];
        }
    },
    disabled: {
        // 是否禁用
        type: Boolean,
        default: false
    },
    showUploadButton: {
        // 是否显示上传按钮
        type: Boolean,
        default: true
    },
    multiple: {
        // 是否支持多选文件
        type: Boolean,
        default: false
    },
    maxCount: {
        // 限制上传数量
        type: Number,
        default: undefined
    },
    maxSize: {
        type: Number,
        default: 200 //单位：M
    },
    accept: {
        // 接受上传的文件类型
        type: String,
        default:
            '.bmp, .jpg, .jpeg, .png, .doc, .docx, .xls, .xlsx, .ppt, .pptx, .txt, .rar, .zip, .3gpp, .mp4, .mpeg, .mov, .m4v, .mng, .avi, .mid, .midi, .mp3, .m4a, .dwg, .pdf, .mpp, .wav, .wps'
    },
    uploadNotice: {
        // 下标提示
        type: String,
        default:
            '支持扩展名：.bmp, .jpg, .jpeg, .png, .doc, .docx, .xls, .xlsx, .ppt, .pptx, .txt, .rar, .zip, .3gpp, .mp4, .mpeg, .mov, .m4v, .mng, .avi, .mid, .midi, .mp3, .m4a, .dwg, .pdf, .mpp, .wav, .wps'
    },
    customActionConfig: {
        // 使用自定义上传的相关配置，目前主要是请求参数，后期可以拓展，在watch中初始化参数
        type: Object,
        // default(rawProps) {
        //     return { message: 'hello' }
        // }
        default() {
            return {};
        }
    },
    visible: {
        type: Boolean,
        default: false
    },
    buttonType: {
        type: String,
        default: 'primary'
    }
});
const emit = defineEmits(['update:fileList', 'onExceed', 'remove']);

const { proxy } = getCurrentInstance();

const filesUpload = ref(null);
const innerFileList = computed({
    get() {
        return props.fileList;
    },
    set(value) {
        emit('update:fileList', value);
    }
});

// 上传文件之前的钩子
const beforeUpload = (file, fileList) => {
    // fileList 只包含了当次上传的文件列表，不包含已上传的文件列表
    if (props.maxCount && innerFileList.value.length + fileList.length > props.maxCount) {
        console.log(innerFileList.value.length);
        proxy.$message.error(`上传文件数量超出最大限制${props.maxCount}个`);
        emit('onExceed', file);
        return false;
    }

    if (file.size / 1024 / 1024 > props.maxSize) {
        proxy.$message.error(`上传文件超出最大限制${props.maxSize}M`);
        emit('onExceed', file);
        return false;
    }

    const suffix = getFileType(file.name); // 获取文件后缀名
    if (props.accept.indexOf(suffix) === -1 && props.accept.indexOf('image') === -1) {
        proxy.$message.error('文件格式错误');
        return false;
    }
    // return false 时status为undefined

    return true;
};
// 自定义上传
const customRequest = (event) => {
    const formData = new FormData();
    if (event.data) {
        Object.keys(event.data).forEach((key) => {
            formData.append(key, event.data[key]);
        });
    }
    formData.append(event.filename, event.file);
    fileRequest
        .post(event.action, formData, { withCredentials: event.withCredentials })
        .then((res) => {
            event.onSuccess(res, event.file); //上传成功监听事件
        })
        .catch((err) => {
            event.onError(err, err, event.file); //上传失败监听事件,onError 第二个参数要是字符串才能显示错误原因
            proxy.$message.error(event.file.name + err);
        });
};
const handleChange = (event) => {
    const fileList = event.fileList;
    // const file = event.file;
    // const status = file.status;  // 状态有：uploading done error removed; 另外beforeUpload钩子函数中return false 时，status为undefined
    // if (status === 'uploading') {
    //     loading.value = true;
    // } else if (status === 'done') {
    //     loading.value = false;
    // } else if (status === 'error') {
    //     loading.value = false;
    // } else if (status === 'removed') {
    //     console.log('removed');
    // } else if (status === undefined) {
    //     console.log('reject');
    // }
    innerFileList.value = fileList.filter((file) => ['uploading', 'done'].includes(file.status));
};
const handleDownload = (file) => {
    downloadNormal(file.response.pk, file.response.name);
};
const handlePreview = (file) => {
    window.open(file.response.url);
};
const handleRemove = (file) => {
    emit('remove', file);
    return true;
};
</script>

<style lang="less" scoped>
.isbm-files-upload {
    &.hidden-upload-button {
        :deep(.ant-upload.ant-upload-select) {
            display: none;
        }
    }

    .file-question-circle {
        margin-left: 6px;
        color: var(--isbm-disabled-color);
    }
    :deep(span.ant-upload-list-item-name) {
        color: #1890ff;
        background-color: transparent;
        cursor: pointer;
    }
}
</style>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219