JS**JSON表单**

/****
 * @param idMap {insured:['insuredName','insuredAge'],applicant:['applicantName','applicantSex']}
 * @return 
 * {
 * 	insured:{
 * 		insuredName:"nick",
 * 		insuredAge:"30"
 * 	},
 * 	applicant:{
 * 		applicantName:"nick",
 * 		applicantSex:"1"
 * 	}
 * }
 */
cpic.formField2JSON = function(idMap) {
	var json = {};
	var dom=null;
	for(var key in idMap){
		json[key] = {};
		for(var idx=0;idx<idMap[key].length;idx++) {
			if(!cpic.isNull(idMap[key][idx])) {
				dom = document.getElementById(idMap[key][idx]);
				if(dom) {
					if(!json[key][dom.name]) {
						json[key][dom.name]="";
					}
					if(dom.type=="checkbox" ||dom.type=="radio") {
						if(dom.checked){
							json[key][dom.name] = dom.value;
						}
					}else {
						json[key][dom.name] = dom.value;
					}
				}
			}
		}
	}
	return json;
};

/**
 * 表单封装成JSON对象(有name属性的表单域)
 * @param formId 表单的id
 * return 指定表单的封装JSON格式对象(含name属性的表单)
 */
cpic.form2JSON = function(formId, context) {
	var form = null;
	if(context) {
		form = $("#" + formId,context)[0];
	}else {
		form= document.getElementById(formId);
	}
	if(form) {
		var json={};
		for(var _i=0;_i<form.length;_i++){
			if(form[_i].name) {
				if(form[_i].type=="checkbox" && $(form[_i]).attr("single")=="true") {//single为true表示为是否勾选项
					json[form[_i].name]="0";
					if(form[_i].checked) {
						json[form[_i].name]="1";
					}
				}else if(form[_i].type=="checkbox") {
					if(form[_i].checked) {
						if(cpic.isNull(json[form[_i].name])){
							json[form[_i].name]=[];
						}
						json[form[_i].name].push(form[_i].value);
					}
				}else if(form[_i].type=="radio"){
					if(form[_i].checked) {
						json[form[_i].name]=form[_i].value;
					}
				}else {
					json[form[_i].name]=form[_i].value;
				}
			}
		}
		return json;
	}else {
		throw "FORM NOT EXISTS";
	}
};
/****
 * JSON填充表单
 */
cpic.JSON2form = function(formId, json, formContext){
	var form = null;
	if(formContext) {
		form = $("#" + formId,formContext)[0];
	}else {
		form= document.getElementById(formId);
	}
	if(form) {
		for(var _i=0;_i<form.length;_i++){
			if(form[_i].name && json[form[_i].name]) {
				if(form[_i].type=="checkbox" && $(form[_i]).attr("single")=="true") {
					json[form[_i].name]=="1"?$(form[_i]).attr("checked","true"):$(form[_i]).attr("checked","false");
				}else if(form[_i].type=="checkbox" || form[_i].type=="radio" ) {
					json[form[_i].name]==$(form[_i]).val()?$(form[_i]).attr("checked","true"):$(form[_i]).attr("checked","false");
				}else {
					$(form[_i]).val(json[form[_i].name]);
				}
			}
		}
	}else {
		throw "FORM NOT EXISTS";
	}
	
};

/****
 * JSON填充表
 */
cpic.JSON2table = function(formId, json, formContext){
	var form = null;
	if(formContext) {
		form = $(formId,formContext);
	}else {
		form= $(formId)
	}
	if(form) {
		for(var _i=0;_i<form.length;_i++){
			if($(form[_i]).attr("name") && json[$(form[_i]).attr("name")]) {
					$(form[_i]).text(json[$(form[_i]).attr("name")]);
				}else if(!json[$(form[_i]).attr("name")] && $(form[_i]).attr("name")){
					$(form[_i]).text("");
				}
			}
		}
	
};

/****
 * 根据json属性清空表
 */
cpic.initializeTable = function(formId, json, formContext){
	var form = null;
	if(formContext) {
		form = $("#" + formId,formContext)[0];
	}else {
		form= $(formId)
	}
	if(form) {
		for(var _i=0;_i<form.length;_i++){
			if($(form[_i]).attr("name")) {
					$(form[_i]).html("");
				}
			}
		}
	
};

标签：idMap,insuredName,applicant,表单,JSON,var,applicantName,JS,applicantSex
来源： https://www.cnblogs.com/jiangaihu/p/14480765.html