elementUI vue tree input 懒加载 输入下拉树型示例
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2022-03-01 13:31:32
elementUI vue tree input 懒加载 输入下拉树型示例 ......
<!doctype html>
<html lang="zh">
<head>
<meta charset="utf-8">
<title>title</title>
<!-- import css -->
<link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
<style>
.el-tree{
position:absolute;
cursor:default;
background:#fff;
color:#606266;
z-index:100;
border:1px solid #dcdfe6;
border-radius:5px;
width:100%;
}
</style>
</head>
<body>
<div id="app">
<el-form ref="projectorg" v-model="projectorg" label-width="140px" size="mini">
<el-form-item ref="treeparent" label="维护机构" prop="projectorg">
<el-input @click.native="projectorgfun" v-model="searchorgid" placeholder="请输入维护机构" readonly></el-input>
<el-tree
v-show="ishowtree"
show-checkbox
lazy
ref="tree"
highlight-current
@check-change="currentchange"
:load="getorglist"
@node-click="handlenodeclick"
:props="defaultprops">
</el-tree>
</el-form-item>
</el-form>
</div>
<!-- import vue before element -->
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<!-- import javascript -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<script>
new vue({
el: '#app',
data: function () {
return {
input: [],
searchorgid: '',
//保存被选中的id, 提交的时候按字符串提交:
// var organcodeslist=this.organcodes.join(","),
// 后台解析的时候使用:
//string[] organcodes=organcodeslist.split(",");
organcodes: [],
ishowtree: false,
defaultprops: {
children: 'children',
label: 'label',
},
projectorg: '',
}
},
//加载完成时调用
created: function () {
},
//方法
methods: {
//树型点击
currentchange(data, ischeck) {
console.log(data);
if (!ischeck) {
var index = this.input.findindex(d => d === data.label);
this.input.splice(index, 1);
this.organcodes.splice(index, 1);
} else {
this.input.push(data.label);
this.organcodes.push(data.id);
}
console.log(this.organcodes);
var that = this;
that.$refs.tree.$el.onmouseleave = function () {
that.ishowtree = false;
}
that.searchorgid = this.input.tostring();
},
projectorgfun() {
if(this.ishowtree){
this.ishowtree = false;
}else{
this.ishowtree = true;
}
var that = this;
that.$refs.tree.$el.onmouseleave = function () {
that.ishowtree = false;
}
that.$refs.treeparent.$el.onmouseleave = function () {
that.ishowtree = false;
}
},
projectorgfalse(){
this.ishowtree = false;
},
handlenodeclick(data) {
console.log(data);
},
getorglist(node, resolve) {
let that = this;
console.log(node);
//等于0表示根节点
if (node.level == 0) {
//请求数据
// that.getfirstrootnodedata(resolve);
//模拟数据
var firstrootnodedata = [{
id: '1',
label: "初始根节点01"
}, {
id: '2',
label: "初始根节点02"
}];
resolve(firstrootnodedata);
//直接返回
return;
} else {
//请求数据(传送要请求的根节点的id)
console.log(node.data.id);
// that.getleafnodedata(node.data.id,resolve);
//模拟数据
var leafnodedata = [{
id: '1',
label: "叶子节点01"
}, {
id: '2',
label: "叶子节点02"
}, {
id: '2',
label: "叶子节点02"
}];
resolve(leafnodedata);
return;
}
}
},
})
</script>
</body>
</html>
显示效果: