<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript" src="W:/code/PetsMall/PetsMall/trunk/PetsMall20220321/PetsMall.Admin/Scripts/jquery-3.4.1.min.js"></script>
<script>
//js-多级联动选择标签demo,页面：<div name="tagParentId0"></div>
//设置标签html，标签格式[{TagId,Title,Content,ParentTagId,ChildList}]
var s;
var TagsSet = function (data) {
for (var i = 0; i < data.length; i++) {
var x = data[i];
s=TagGetHtml(x);
$("[name='tagParentId0']").append(s);
}
//绑定下拉选择框改变事件
$("[name='tagSelect']").bind("change", ShowTags);
}
//获取标签html内容
var TagGetHtml = function (e,isShow) {
var html = '';
if (e && e.ChildList && e.ChildList.length > 0) {
html += '<div class="tagDiv tag' + e.TagId + ' ParentTagId_' + e.ParentTagId + '"' + (e.ParentTagId == 0 || isShow ? '' : 'style="display: none;"') + '>';
html += '<div class="form-group"><label class="control-label col-md-2 col-sm-2 col-xs-2">' + e.Title + '：</label>';
html += '<span>';
html += '<select name="tagSelect" class="form-control addtag" onchange="ShowTags">';
for (var i = 0; i < e.ChildList.length; i++) {
var x = e.ChildList[i];
//json中是双引号，所以value等号后为单引号才行
html += "<option class='optionTag" + x.TagId + "' value='" + JSON.stringify(x) + "'>" + x.Title + "</option>";
}
html += "</select>";
html += "</span>";
html += '</div>';
for (var i = 0; i < e.ChildList.length; i++) {
var x = e.ChildList[i];
html += TagGetHtml(x,i==0);
}
html += '</div>';
}
return html;
}
//选择框改变事件，显示子级或执行选中业务
var ShowTags = function () {
console.log($(this));
var e = $(this).children("option:selected").val();
//值是对象字符串
if (e.indexOf("{") == 0) {
var v = JSON.parse(e);
if (v.ChildList && v.ChildList.length > 0) {
//隐藏其他自己，显示选中标签的子级
$(this).parent().parent().parent().children(".tagDiv").hide();
$(".tag" + v.TagId).show();
} else {
//执行选中业务
AddCopy(v.Content);
}
} else {
//执行选中业务
AddCopy(v);
}
}
//选择框选中后执行业务
var AddCopy = function (v) {
if (v) {
console.log(v);
}
}
//test
var test=function(){
var data=[{"ChildList":[{"ChildList":[{"ChildList":[{"ChildList":null,"TagId":19,"Title":"c1c1c1c1","Content":"c1c1c1c1","Type":0,"Sort":1,"ParentTagId":13},{"ChildList":null,"TagId":20,"Title":"c1c1c1c2","Content":"c1c1c1c2","Type":0,"Sort":2,"ParentTagId":13}],"TagId":13,"Title":"c1c1c1","Content":"c1c1c1","Type":0,"Sort":1,"ParentTagId":2},{"ChildList":[{"ChildList":null,"TagId":21,"Title":"c1c1c2c1","Content":"c1c1c2c1","Type":0,"Sort":1,"ParentTagId":14}],"TagId":14,"Title":"c1c1c2","Content":"c1c1c2","Type":0,"Sort":2,"ParentTagId":2}],"TagId":2,"Title":"测试标签1子级1","Content":"c1c1","Type":0,"Sort":1,"ParentTagId":1},{"ChildList":[{"ChildList":[{"ChildList":null,"TagId":22,"Title":"c1c2c1c1","Content":"c1c2c1c1","Type":0,"Sort":1,"ParentTagId":15}],"TagId":15,"Title":"c1c2c1","Content":"c1c2c1","Type":0,"Sort":1,"ParentTagId":3},{"ChildList":[{"ChildList":null,"TagId":17,"Title":"c1c2c2c1","Content":"c1c2c2c1","Type":0,"Sort":1,"ParentTagId":16},{"ChildList":null,"TagId":18,"Title":"c1c2c2c2","Content":"c1c2c2c2","Type":0,"Sort":2,"ParentTagId":16}],"TagId":16,"Title":"c1c2c2","Content":"c1c2c2","Type":0,"Sort":2,"ParentTagId":3}],"TagId":3,"Title":"测试标签1的2","Content":"c1c2","Type":0,"Sort":2,"ParentTagId":1},{"ChildList":null,"TagId":4,"Title":"c1c3","Content":"c1c3d","Type":0,"Sort":3,"ParentTagId":1},{"ChildList":null,"TagId":5,"Title":"c1c4","Content":"c1c4d","Type":0,"Sort":4,"ParentTagId":1},{"ChildList":null,"TagId":12,"Title":"c1c5","Content":"c1c5","Type":0,"Sort":5,"ParentTagId":1}],"TagId":1,"Title":"检测标签1","Content":"c1c1","Type":0,"Sort":1,"ParentTagId":0},{"ChildList":[{"ChildList":null,"TagId":11,"Title":"123","Content":"","Type":0,"Sort":1,"ParentTagId":8},{"ChildList":null,"TagId":9,"Title":"ALEX测试","Content":"测试测试测试测试测试测试车测试测试菜市场","Type":0,"Sort":2,"ParentTagId":8}],"TagId":8,"Title":"标签做什么用","Content":"","Type":0,"Sort":1,"ParentTagId":0},{"ChildList":null,"TagId":10,"Title":"信息新增","Content":"测试测试测试测试测试车","Type":0,"Sort":1,"ParentTagId":0},{"ChildList":[{"ChildList":null,"TagId":7,"Title":"c2c2","Content":"c2c2","Type":0,"Sort":1,"ParentTagId":6}],"TagId":6,"Title":"c2c0","Content":"c2c0d","Type":0,"Sort":2,"ParentTagId":0}];
TagsSet(data);
}
$(function(){
test();
});
</script>
</head>
<body style="margin:0px;height:900px;width:900px">
<div name="tagParentId0">
</div>
</body>
</html>
