98 lines
2.7 KiB
Markdown
98 lines
2.7 KiB
Markdown
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# 下拉选择
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## 基于JQuery的下拉选择
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### 直接选择
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html
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```html
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<div class="layui-form-item">
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<label class="layui-form-label"></label>
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<div class="layui-input-block">
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<select id="selector" name="selector" lay-filter="selectorSelect"></select>
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</div>
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</div>
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```
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js
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```javascript
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// 初始化
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function initSelect(callback) {
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top.restAjax.get(top.restAjax.path('url', ['']), {}, null, function(code, data) {
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$('#selector').append('<option value="">请选择</option>');
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$.each(data, function (index, item) {
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$('#selector').append('<option value="’+ item.dataName +‘" '+ (index === 0 ? 'selected' : '') +'>'+ item.dataName +'</option>');
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});
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// 渲染表单下拉框
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form.render(null, 'dataForm');
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callback ? callback() : null;
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}, function(code, data) {
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top.dialog.msg(data.msg);
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})
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}
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```
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### 选择并获取其他属性
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以部门选择为例，选择部门既要获取部门名称，又要获取部门ID
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html
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```html
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<div class="layui-form-item">
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<label class="layui-form-label">接种单位名称 *</label>
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<div class="layui-input-block">
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<input type="hidden" id="departmentId" name="departmentId" class="layui-input" value="" maxlength="36">
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<select id="departmentName" name="departmentName" lay-filter="departmentNameFilter" lay-verify="required"></select>
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</div>
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</div>
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```
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js
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```javascript
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// 初始化
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function initDepartmentSelect(callback) {
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top.restAjax.get(top.restAjax.path('api/department/list/0', []), {}, null, function(code, data) {
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$('#departmentName').append('<option value="">请选择</option>');
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$.each(data, function (index, item) {
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$('#departmentName').append('<option value="'+ item.departmentName +'" data-department-id="'+ item.departmentId +'">'+ item.departmentName +'</option>');
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});
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// 渲染表单下拉框
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form.render(null, 'dataForm');
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callback ? callback() : null;
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}, function(code, data) {
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top.dialog.msg(data.msg);
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})
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// 添加监听事件
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form.on('select(departmentNameFilter)', function(data) {
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var value = data.value;
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// 遍历 option 获取 option 上的属性
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for(var i = 0, item; item = $(data.elem).children()[i++];) {
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if(item.value == value) {
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$('#departmentId').val(item.dataset.departmentId);
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break;
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}
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}
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});
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}
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```
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### 列表上的选择
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```html
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<div class="layui-inline layui-form search-item">
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<select id="type" name="type" lay-filter="typeFilter">
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<option value="">选择类型</option>
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<option value="type1">类型1</option>
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<option value="type2">类型2</option>
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</select>
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</div>
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```
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