JS 实现列表与多选框选择

1功能预览

2html代码

<span>
			<tr>
				<td><img οnclick="addType()" src="${msUrl}/images/logo/add.png">产品范围：</td>
				<td><select id="selectTypeOne" class="easyui-combobox" data-options="required:true">
						<option>一级分类</option>
				</select> <select id="selectTypeTwo" class="easyui-combobox" data-options="required:true">
						<option selected="selected">全部</option>
				</select></td>
			</tr>
			<tr height="20px">
				<td></td>
				<td id="typeThree"></td>
			</tr>
			<tr height="30px">
				<td></td>
				<td><span id="typeOneResult"></span><span id="typeOneSubResult"></span>
					<hr /></td>
			</tr>
			</span>

3js代码

$('#selectTypeOne').combobox({
			url : config.urlMap.typeList,
			valueField : 'name',
			textField : 'name',
			required : true,
			width : '100',
			onSelect : function(row) {
				typeName1 = row.name
				$('#typeThree').html("");
				$('#typeOneResult').html("");
				$('#typeOneSubResult').html("");
				subTypeName=[];
				$('#selectTypeTwo').combobox({
					url : config.urlMap.typeList + "?parent=" + row.id,
					valueField : 'name',
					textField : 'name',
					width : '100',
					required : true,
					onSelect : function(row) {
						typeName2 = typeName1 + ">" + row.name;
						$.getJSON(config.urlMap.typeList + "?parent=" + row.id, function(data) {
							var typeThreeName = ""
							for (var i = 0; i < data.length; i++) {
								typeThreeName += "<input οnclick=clinkType(\"" + data[i].name + "\") name='typeThree' value=" + data[i].name + " type='checkbox'>" + data[i].name
							}
							$('#typeThree').html(typeThreeName);
							$('#typeOneResult').html(typeName2 + ">");
							$('#typeOneSubResult').html("");
							subTypeName=[];
						});
					}
				})

			}
		});
	})
	//删除下标元素方式一
	Array.prototype.remove = function(dx) {
		if (isNaN(dx) || dx > this.length) {
			return false;
		}
		for (var i = 0, n = 0; i < this.length; i++) {
			if (this[i] != this[dx]) {
				this[n++] = this[i]
			}
		}
		this.length -= 1
	}
	//删除数组元素方式二
	Array.prototype.baoremove = function(dx) {
		if (isNaN(dx) || dx > this.length) {
			return false;
		}
		this.splice(dx, 1);
	}
	var subTypeName = [];
	function clinkType(name) {
		var index = subTypeName.indexOf(name)
		if (index == -1) {
			subTypeName.push(name);
		} else {
			subTypeName.baoremove(index);
		}
		$('#typeOneSubResult').html(subTypeName.join(","));
	}