2023-04-24 00:42:47 +00:00
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<table class="layui-table">
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<colgroup>
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<col width="150">
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<col>
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<col width="100">
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<col width="100">
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</colgroup>
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<thead>
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<tr>
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<th>属性名</th>
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<th>描述</th>
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<th>类型</th>
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<th>默认值</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>elem</td>
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<td>
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绑定元素选择器或 DOM 对象
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</td>
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<td>string/DOM</td>
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<td>-</td>
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</tr>
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<tr>
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<td>url</td>
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<td>
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上传接口
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</td>
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<td>string</td>
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<td>-</td>
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</tr>
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<tr>
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<td>field</td>
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<td>
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文件域的字段名
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</td>
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<td>string</td>
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<td>
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`file`
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</td>
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</tr>
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<tr>
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<td>
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[data](#options.data)
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</td>
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<td>
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2023-05-10 04:13:03 +00:00
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<div id="options.data" lay-pid="options" class="ws-anchor">
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2023-04-24 00:42:47 +00:00
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传递给上传接口的额外参数,支持静态赋值和动态赋值两种写法。
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</div>
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- 静态赋值 :
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```
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data: {
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id: '123'
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}
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```
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- 动态赋值 :
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```
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data: {
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id: function(){
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return $('#id').val();
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2023-12-25 05:22:50 +00:00
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},
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id2: function(index, file){ // 参数支持。2.9.3+
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// 注:当 unified:true 和 ie8/9 下,参数无效
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console.log(index); // 得到文件索引
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console.log(file); // 得到文件对象
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2023-04-24 00:42:47 +00:00
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}
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}
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```
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</td>
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<td>object</td>
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<td>-</td>
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</tr>
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<tr>
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<td>headers</td>
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<td>
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上传接口的请求头。如 `headers: {token: 'abc123'}`
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</td>
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<td>object</td>
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2023-09-11 03:55:31 +00:00
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<td>-</td>
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</tr>
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<tr>
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<td>dataType <sup>2.8.17+</sup></td>
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<td>
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服务端返回的数据类型,如:`text,json,xml` 等
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</td>
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<td>string</td>
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2023-11-28 12:16:07 +00:00
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<td>
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`json`
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</td>
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2023-04-24 00:42:47 +00:00
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</tr>
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<tr>
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<td>
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[accept](#options.accept)
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</td>
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<td>
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2023-05-10 04:13:03 +00:00
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<div id="options.accept" lay-pid="options" class="ws-anchor">
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2023-04-24 00:42:47 +00:00
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指定允许上传时校验的文件类型。可选值有:
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</div>
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- `images` 图片类型
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- `file` 所有文件类型
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- `video` 视频类型
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- `audio` 音频类型
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</td>
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<td>string</td>
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<td>
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`images`
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</td>
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</tr>
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<tr>
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<td>acceptMime</td>
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<td>
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规定打开系统的文件选择框时,筛选出的文件类型,多个 `MIME` 类型可用逗号隔开。示例:
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```
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acceptMime: 'image/*'` // 筛选所有图片类型
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acceptMime: 'image/jpeg, image/png` // 只筛选 jpg,png 格式图片
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```
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更多可选值参考: <a href="https://developer.mozilla.org/zh-CN/docs/Web/HTTP/Basics_of_HTTP/MIME_types" target="_blank">MIME 类型</a>
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</td>
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<td>string</td>
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<td>-</td>
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</tr>
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<tr>
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<td>
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[exts](#options.exts)
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</td>
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<td>
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2023-05-10 04:13:03 +00:00
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<div id="options.exts" lay-pid="options" class="ws-anchor">
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2023-05-03 10:08:35 +00:00
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2023-04-24 00:42:47 +00:00
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允许上传的文件后缀。一般结合 `accept` 属性来设定。
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2023-05-03 10:08:35 +00:00
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2023-04-24 00:42:47 +00:00
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</div>
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- 假设 `accept: 'file'` 类型时,那么设置 `exts: 'zip|rar|7z'` 即代表只允许上传压缩格式的文件。
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2023-05-30 01:55:28 +00:00
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- 默认为常见图片后缀,即 `jpg|png|gif|bmp|jpeg|svg`
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2023-04-24 00:42:47 +00:00
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</td>
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<td>string</td>
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<td>
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见左
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</td>
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</tr>
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<tr>
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<td>auto</td>
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<td>
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是否选完文件后自动上传。若为 `false`,则需设置 `bindAction` 属性来指向其它按钮提交上传。参考:[#示例](#demo-auto)
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</td>
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<td>boolean</td>
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<td>
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`true`
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</td>
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</tr>
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<tr>
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<td>bindAction</td>
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<td>
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设置触发上传的元素选择器或 DOM 对象。
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<br>一般配合 `auto: false` 来使用。详细用法参考:[#示例](#demo-auto)
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</td>
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<td>string/DOM</td>
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<td>-</td>
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</tr>
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<tr>
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<td>force <sup>2.6.9+</sup></td>
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<td>
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规定强制返回的数据格式。
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2023-05-03 10:08:35 +00:00
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- 若值为 `'json'`,则强制校验 JSON 数据格式
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2023-04-24 00:42:47 +00:00
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</td>
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<td>string</td>
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<td>
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`null`
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</td>
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</tr>
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<tr>
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<td>size</td>
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<td>
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设置文件最大可允许上传的大小,单位 `KB` 。默认不限制。
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<br>不支持 `ie8/9`
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</td>
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<td>number</td>
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<td>
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`0`
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</td>
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</tr>
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<tr>
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<td>multiple</td>
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<td>
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是否允许多文件上传。不支持 `ie8/9`
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2023-06-19 16:05:05 +00:00
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</td>
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<td>boolean</td>
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<td>
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`false`
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</td>
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</tr>
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<tr>
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<td>unified <sup>2.8.8+</sup></td>
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<td>
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选择多文件时,是否统一上传,即只发送一次请求。
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2023-04-24 00:42:47 +00:00
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</td>
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<td>boolean</td>
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<td>
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`false`
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</td>
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</tr>
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<tr>
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<td>number</td>
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<td>
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同时可上传的文件数量,一般当 `multiple: true` 时使用。
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</td>
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<td>number</td>
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<td>-</td>
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</tr>
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<tr>
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<td>drag</td>
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<td>
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是否接受拖拽的文件上传。
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</td>
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<td>boolean</td>
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<td>
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`true`
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2023-07-03 00:09:51 +00:00
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</td>
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</tr>
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<tr>
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<td>
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[text](#options.text) <sup>2.8.9+</sup>
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</td>
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<td colspan="4">
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<div id="options.text" lay-pid="options" class="ws-anchor">
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自定义内部各类场景下的提示文本
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</div>
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```
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text: { // 自定义提示文本
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"data-format-error": "", // 数据格式错误的提示
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"check-error": "", // 文件格式校验失败的提示
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"error": "", // 上传失败的提示
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"limit-number": null, // 限制 number 属性的提示。若设置,需为函数写法
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"limit-size": null, // 限制 size 属性的提示。若设置,需为函数写法
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"cross-domain": "", // IE 下跨域的提示
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}
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```
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2023-04-24 00:42:47 +00:00
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</td>
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</tr>
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<tr>
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<td colspan="4" style="text-align: center">
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2023-05-10 04:13:03 +00:00
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<div id="options.callback" lay-pid="options" class="ws-anchor">
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2023-04-24 00:42:47 +00:00
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[回调函数](#options.callback)
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</div>
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</td>
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</tr>
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<tr>
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<td>
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[choose](#options.choose)
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</td>
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<td colspan="3">
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2023-05-10 04:13:03 +00:00
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<div id="options.choose" lay-pid="options" class="ws-anchor">
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2023-04-24 00:42:47 +00:00
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选择文件后的回调函数。返回的参数如下
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</div>
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```
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choose: function(obj){
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// 将每次选择的文件追加到文件队列
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var files = obj.pushFile();
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|
// 预读本地文件,如果是多文件,则会遍历。(不支持ie8/9)
|
|
|
|
|
obj.preview(function(index, file, result){
|
|
|
|
|
console.log(index); // 得到文件索引
|
|
|
|
|
console.log(file); // 得到文件对象
|
|
|
|
|
console.log(result); // 得到文件base64编码,比如图片
|
|
|
|
|
|
|
|
|
|
// obj.resetFile(index, file, '123.jpg'); // 重命名文件名
|
|
|
|
|
|
|
|
|
|
// 这里还可以做一些 append 文件列表 DOM 的操作
|
|
|
|
|
|
|
|
|
|
// obj.upload(index, file); // 对上传失败的单个文件重新上传,一般在某个事件中使用
|
|
|
|
|
// delete files[index]; //删除列表中对应的文件,一般在某个事件中使用
|
|
|
|
|
});
|
|
|
|
|
}
|
2024-05-03 09:40:53 +00:00
|
|
|
|
|
|
|
|
|
// 获取本次选取的文件,大文件建议用此方法获取文件信息(2.9.9+)
|
|
|
|
|
obj.getChooseFiles();
|
2023-04-24 00:42:47 +00:00
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
详细用法参考:[#示例](#demo-files-table)
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td>
|
|
|
|
|
|
|
|
|
|
[before](#options.before)
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
<td colspan="3">
|
|
|
|
|
|
2023-05-10 04:13:03 +00:00
|
|
|
|
<div id="options.before" lay-pid="options" class="ws-anchor">
|
2023-04-24 00:42:47 +00:00
|
|
|
|
文件提交上传前的回调函数。返回的参数同 choose
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
```
|
|
|
|
|
before: function(obj){ // obj 参数同 choose
|
|
|
|
|
layer.load(); // 上传 loading
|
|
|
|
|
|
|
|
|
|
// 若返回 false,则表明阻止上传
|
|
|
|
|
/*
|
|
|
|
|
if(true){
|
|
|
|
|
return false;
|
|
|
|
|
}
|
|
|
|
|
*/
|
|
|
|
|
}
|
2024-05-24 01:16:31 +00:00
|
|
|
|
|
2024-06-05 12:58:47 +00:00
|
|
|
|
// 返回 jQuery Deferred 对象或 JS 原生 Promise 对象,false 或 Promise.reject 表明阻止上传(2.9.11+)
|
2024-05-24 01:16:31 +00:00
|
|
|
|
// Promise
|
2024-06-05 12:58:47 +00:00
|
|
|
|
/** @type {(obj: object) => boolean | JQueryDeferred<boolean> | Promise<boolean>} */
|
2024-05-24 01:16:31 +00:00
|
|
|
|
before: function(obj){
|
|
|
|
|
return new Promise(function(resolve, reject){
|
|
|
|
|
setTimeout(function(){
|
|
|
|
|
console.log('before_async_task', obj);
|
2024-06-05 12:58:47 +00:00
|
|
|
|
resolve(true);
|
2024-05-24 01:16:31 +00:00
|
|
|
|
}, 1000)
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Deferred
|
|
|
|
|
before: function(obj){
|
2024-06-05 12:58:47 +00:00
|
|
|
|
return $.Deferred(function(defer){
|
2024-05-24 01:16:31 +00:00
|
|
|
|
setTimeout(function(){
|
|
|
|
|
console.log('before_async_task', obj);
|
2024-06-05 12:58:47 +00:00
|
|
|
|
defer.resolve(true);
|
2024-05-24 01:16:31 +00:00
|
|
|
|
}, 1000)
|
|
|
|
|
}).promise();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Deferred2
|
|
|
|
|
before: function(obj){
|
2024-06-05 12:58:47 +00:00
|
|
|
|
var defer = $.Deferred();
|
2024-05-24 01:16:31 +00:00
|
|
|
|
setTimeout(function(){
|
|
|
|
|
console.log('before_async_task', obj);
|
2024-06-05 12:58:47 +00:00
|
|
|
|
defer.resolve(true);
|
2024-05-24 01:16:31 +00:00
|
|
|
|
}, 1000)
|
2024-06-05 12:58:47 +00:00
|
|
|
|
return defer.promise();
|
2024-05-24 01:16:31 +00:00
|
|
|
|
}
|
2023-04-24 00:42:47 +00:00
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td>
|
|
|
|
|
|
2023-05-10 04:13:03 +00:00
|
|
|
|
[progress](#options.progress)
|
2023-04-24 00:42:47 +00:00
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
<td colspan="3">
|
|
|
|
|
|
2023-05-10 04:13:03 +00:00
|
|
|
|
<div id="options.progress" lay-pid="options" class="ws-anchor">
|
2023-04-24 00:42:47 +00:00
|
|
|
|
执行上传请求后的回调函数。返回的参数如下:
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
```
|
2023-05-18 05:36:45 +00:00
|
|
|
|
progress: function(n, elem, res, index){
|
2023-04-24 00:42:47 +00:00
|
|
|
|
var percent = n + '%' // 获取进度百分比
|
|
|
|
|
element.progress('demo', percent); // 可配合 layui 进度条元素使用
|
|
|
|
|
|
|
|
|
|
// 得到当前触发的元素 DOM 对象
|
|
|
|
|
console.log(elem); // 可通过该元素定义的属性值匹配到对应的进度条。
|
|
|
|
|
console.log(res); // 得到 progress 响应信息
|
|
|
|
|
|
|
|
|
|
console.log(index); // 得到当前上传文件的索引,多文件上传时的进度条控制
|
|
|
|
|
element.progress('demo-'+ index, n + '%'); // 进度条
|
|
|
|
|
}
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
详细用法参考:[#示例](#examples)
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td>
|
|
|
|
|
|
2023-05-10 04:13:03 +00:00
|
|
|
|
[done](#options.done)
|
2023-04-24 00:42:47 +00:00
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
<td colspan="3">
|
|
|
|
|
|
2023-05-10 04:13:03 +00:00
|
|
|
|
<div id="options.done" lay-pid="options" class="ws-anchor">
|
2023-04-24 00:42:47 +00:00
|
|
|
|
执行单次文件上传请求后的回调函数。返回的参数如下:
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
```
|
|
|
|
|
done: function(res, index, upload){
|
|
|
|
|
// 假设 `code: 0` 代表上传成功
|
|
|
|
|
if(res.code == 0){
|
|
|
|
|
// do something // 比如将 res 返回的图片链接保存到隐藏域
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// 获取当前触发上传的元素,一般用于 elem 绑定 class 的情况
|
|
|
|
|
var item = this.item;
|
|
|
|
|
|
|
|
|
|
// …
|
|
|
|
|
}
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
详细用法参考:[#示例](#examples)
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td>
|
|
|
|
|
|
2023-05-10 04:13:03 +00:00
|
|
|
|
[allDone](#options.allDone)
|
2023-04-24 00:42:47 +00:00
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
<td colspan="3">
|
|
|
|
|
|
2023-05-10 04:13:03 +00:00
|
|
|
|
<div id="options.allDone" lay-pid="options" class="ws-anchor">
|
2023-04-24 00:42:47 +00:00
|
|
|
|
|
|
|
|
|
当开启多文件 (`multiple: true` ) 且所有文件均上传完毕后的状态回调函数。
|
|
|
|
|
|
|
|
|
|
</div>
|
|
|
|
|
|
|
|
|
|
```
|
|
|
|
|
allDone: function(obj){
|
|
|
|
|
console.log(obj.total); // 上传的文件总数
|
|
|
|
|
console.log(obj.successful); // 上传成功的文件数
|
|
|
|
|
console.log(obj.failed); // 上传失败的文件数
|
|
|
|
|
}
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
<tr>
|
|
|
|
|
<td>error</td>
|
|
|
|
|
<td colspan="3">
|
|
|
|
|
|
2024-06-11 06:02:11 +00:00
|
|
|
|
执行上传请求出现异常的回调(一般为网络异常、URL 404等)。返回三个参数如下:
|
|
|
|
|
- `index`: 当前文件的索引
|
|
|
|
|
- `upload`: 重新上传的方法
|
|
|
|
|
- `res`: 返回值(纯文本)<sup>2.9.12+</sup>
|
2023-04-24 00:42:47 +00:00
|
|
|
|
|
|
|
|
|
```
|
2024-06-11 06:02:11 +00:00
|
|
|
|
error: function(index, upload, res){
|
2023-04-24 00:42:47 +00:00
|
|
|
|
console.log(index); // 当前文件的索引
|
|
|
|
|
// upload(); 重新上传的方法
|
2024-06-11 06:02:11 +00:00
|
|
|
|
console.log(res); // 返回值(纯文本)
|
|
|
|
|
console.log(JSON.parse(res)); // 返回值(json)
|
2023-04-24 00:42:47 +00:00
|
|
|
|
}
|
|
|
|
|
```
|
|
|
|
|
|
|
|
|
|
</td>
|
|
|
|
|
</tr>
|
|
|
|
|
</tbody>
|
2023-09-11 03:55:31 +00:00
|
|
|
|
</table>
|