json数据映射填充到html元素显示

映射算法做了改进,支持name重复映射
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>javascript test</title>
<script type="text/javascript" src="js/jquery.min.js"></script>
</head>
<body>
<h3>script running ... ...</h3>
<form id="data">
<input type="text" name="name" value="">
<input type="text" name="list[0].index" value="">
<input type="text" name="list[1].no" value="">
<select name="dept" width="40">
<option value="1">a</option>
<option value="2">b</option>
<option value="3">c</option>
</select><br><br> <textarea name="desc" rows="2" cols="70"></textarea><br><br> <input type="radio" name="sex" value="0">男
<input type="radio" name="sex" value="1">女 |
<input type="checkbox" name="favor" value="book">book
<input type="checkbox" name="favor" value="food">food
</form>
<button type="button" id="button">ajax</button>
</body>
<script type="text/javascript">
var json = {name:'tom',age: 20,dept: 2,sex: 1,favor: 'book,food',desc: 'descript...',
list:[{index:1,no:'0015'},{index:2,no:'0016'}]}; /**
* json数据映射到html
* @param obj: json数据
* @param type: 映射类型(text:值映射为innerHTML;其他:值映射为value)
* @param path: 根路径,name属性的映射前缀
**/
function parseJson2Html(obj,type,path){
var props = {};
for (var key in obj) {
var propPath = path;
if (path) propPath = path + '.' + key;
else propPath = key; if(typeof obj[key] === 'object') arguments.callee(obj[key], type, propPath);
else {
propPath = propPath.replace(/\.(\d+)\./g, '[+$1+].').replace(/[+]/g,'');
props[propPath] = obj[key];
}
}
/* 数据映射到 html */
for (var key in props) {
var doms = document.querySelectorAll("[name='"+key+"']");
if(doms.length==0) continue;
for(var domIndex in doms) setValue(doms[domIndex],props[key]);
}
function setValue(domObj,value){
if(domObj.type == 'radio' || domObj.type == 'checkbox'){// 扩展radio、checkbox
if(domObj.type == 'radio'){
if(domObj.value == value) domObj.setAttribute('checked',true);
}else{
let checkboxs = value.split(',');
if(checkboxs.indexOf(domObj.value)>=0) domObj.setAttribute('checked',true);
}
}else if((domObj.value+'') != (value+'') && type != 'text') domObj.value = value;
else if(domObj.innerText != (value+'') ) domObj.innerHTML = value;
}
} parseJson2Html(json);
</script>
</html>

效果图:

json数据映射填充到html元素显示

表单元素基本都包含了。

附:由于项目中用到了easyui作为框架,故扩展了对easyui支持的版本

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>javascript test</title>
<link rel="stylesheet" type="text/css" href="css/metro/easyui.css">
<link rel="stylesheet" type="text/css" href="css/icon.css">
<link rel="stylesheet" type="text/css" href="css/demo.css">
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.easyui.min.js"></script>
</head>
<body>
<h3>script running ... ...</h3>
<form id="data">
<input type="text" name="name" value="">
<input type="text" class="easyui-textbox" name="list[0].index" value="">
<input type="text" name="list[1].no" value="">
<select name="dept" class="easyui-combobox" data-options="width: 40">
<option value="1">a</option>
<option value="2">b</option>
<option value="3">c</option>
</select><br><br> <textarea name="desc" rows="2" cols="70"></textarea><br><br> <input type="radio" name="sex" value="0">男
<input type="radio" name="sex" value="1">女 |
<input type="checkbox" name="favor" value="book">book
<input type="checkbox" name="favor" value="food">food
</form>
<button type="button" id="button">ajax</button>
</body>
<script type="text/javascript">
var json = {name:'tom',age: 20,dept: 2,sex: 1,favor: 'book,food',desc: 'descript...',
list:[{index:1,no:'0015'},{index:2,no:'0016'}]}; /**
* json数据映射到html
* @param obj: json数据
* @param type: 映射类型(text:值映射为innerHTML;其他:值映射为value)
* @param path: 根路径,name属性的映射前缀
**/
function parseJson2Html(obj,type,path){
var props = {};
for (var key in obj) {
var propPath = path;
if (path) propPath = path + '.' + key;
else propPath = key; if(typeof obj[key] === 'object') arguments.callee(obj[key], type, propPath);
else {
propPath = propPath.replace(/\.(\d+)\./g, '[+$1+].').replace(/[+]/g,'');
props[propPath] = obj[key];
}
}
/* 数据映射到 html */
for (var key in props) {
var doms = document.querySelectorAll("[name='"+key+"']");
if(doms.length==0) continue;
for(var domIndex in doms) setValue(doms[domIndex],props[key]);
}
   function setValue(domObj,value){
    if(domObj.type == 'radio' || domObj.type == 'checkbox'){// 扩展radio、checkbox
    if(domObj.type == 'radio'){
      if(domObj.value == value) domObj.setAttribute('checked',true);
       }else{
        let checkboxs = value.split(',');
        if(checkboxs.indexOf(domObj.value)>=0) domObj.setAttribute('checked',true);
       }
      }else if((domObj.value+'') != (value+'') && type != 'text') domObj.value = value;
      else if(domObj.innerText != (value+'') ) domObj.innerHTML = value;
      // 支持easyui组件赋值
      parseEasyUI(domObj,value)
   }
   function parseEasyUI(obj,value){// 扩展对easyui组件的支持
        var dClass = obj.className;
        if(dClass && dClass.includes('-value') && obj.type == 'hidden'){
      var ctn = $(obj).parent().prev(), classArr = ctn.prop('class').split(' ');
      $.each(classArr,function(index,item){
      if(item.includes('easyui-')) ctn[item.replace('easyui-','')]('setValue',value);
      });
        }
   }
} parseJson2Html(json);
</script>
</html>
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