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223 lines
6.2 KiB
223 lines
6.2 KiB
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function JsonToStr(o) {
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var arr = [];
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var fmt = function(s) {
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if (typeof s == 'object' && s != null) return JsonToStr(s);
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return /^(string|number)$/.test(typeof s) ? "'" + s + "'" : s;
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}
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for (var i in o) arr.push("'" + i + "':" + fmt(o[i]));
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return '{' + arr.join(',') + '}';
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}
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function obj2str(o){
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var r = [];
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if(typeof o == "string" || o == null) {
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return o;
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}
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if(typeof o == "object"){
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if(!o.sort){
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r[0]="{"
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for(var i in o){
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r[r.length]=i;
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r[r.length]=":";
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r[r.length]=obj2str(o[i]);
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r[r.length]=",";
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}
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r[r.length-1]="}"
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}else{
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r[0]="["
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for(var i =0;i<o.length;i++){
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r[r.length]=obj2str(o[i]);
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r[r.length]=",";
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}
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r[r.length-1]="]"
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}
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return r.join("");
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}
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return o.toString();
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}
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/**
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**json对象数据设置到表单域中
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*/
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function jsonObjectToForm(form, jsonObject) {
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for (i = 0, max = form.elements.length; i < max; i++) {
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e = form.elements[i];
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eName = e.name;
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if (eName.indexOf(".") > 0) {
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dotIndex = eName.indexOf(".");
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parentName = eName.substring(0, dotIndex);
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childName = eName.substring(dotIndex + 1);
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//迭代判断eName，组装成json数据结构
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eValue = iterValueFromJsonObject(jsonObject, parentName, childName);
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} else {
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eValue = jsonObject[eName];
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}
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if (eValue!== false && eValue != "undefined" && eValue != "null") {
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switch (e.type) {
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case "checkbox":
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case "radio":
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if (e.value == eValue) {
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e.checked = true;
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}
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break;
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case "hidden":
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case "password":
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case "textarea":
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case "text":
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e.value = eValue;
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break;
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case "select-one":
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case "select-multiple":
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for (j = 0; j < e.options.length; j++) {
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op = e.options[j];
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//alert("eName : " + eName + "; op value : " + op.value + "; eValue : " + eValue);
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if (op.value == eValue) {
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op.selected = true;
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}
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}
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break;
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case "button":
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case "file":
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case "image":
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case "reset":
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case "submit":
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default:
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}
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}
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}
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}
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/**
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* json数组读写有两种方式
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* 1: a.bs[0].id
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* 2: a["bs"][0]["id"]
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* 把表单转换成json数据格式
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*/
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function formToJsonObject(form) {
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var jsonObject = {};
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for (i = 0, max = form.elements.length; i < max; i++) {
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e = form.elements[i];
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em = new Array();
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if (e.type == "select-multiple") {
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for (j = 0; j < e.options.length; j++) {
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op = e.options[j];
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if (op.selected) {
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em[em.length] = op.value;
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}
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}
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}
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switch (e.type) {
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case "checkbox":
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case "radio":
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if (!e.checked) {
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break;
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}
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case "hidden":
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case "password":
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case "select-one":
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case "select-multiple":
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case "textarea":
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case "text":
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eName = e.name;
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if (e.type == "select-multiple") {
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eValue = em;
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} else {
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eValue = e.value.replace(new RegExp("([\"\\\\])", "g"), "\\$1");
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}
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//判断是否是对象类型数据
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if (eName.indexOf(".") > 0) {
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dotIndex = eName.indexOf(".");
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parentName = eName.substring(0, dotIndex);
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childName = eName.substring(dotIndex + 1);
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//迭代判断eName，组装成json数据结构
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iterJsonObject(jsonObject, parentName, childName, eValue);
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} else {
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//console.log(e.getAttribute('multiple'));
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if(e.getAttribute('multiInput')!==null){
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jsonObject[eName]=jsonObject[eName]||[];
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jsonObject[eName].push(eValue);
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}else{
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jsonObject[eName] = eValue;
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}
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}
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break;
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case "button":
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case "file":
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case "image":
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case "reset":
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case "submit":
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default:
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}
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}
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return jsonObject;
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}
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/**
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* 把表单元素迭代转换成json数据
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*/
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function iterJsonObject(jsonObject, parentName, childName, eValue) {
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//pArrayIndex用于判断元素是否是数组标示
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pArrayIndex = parentName.indexOf("[");
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//判断是否集合数据，不是则只是对象属性
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if (pArrayIndex < 0) {
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var child = jsonObject[parentName];
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if (!child) {
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jsonObject[parentName] = {};
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}
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dotIndex = childName.indexOf(".");
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if (dotIndex > 0) {
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iterJsonObject(jsonObject[parentName], childName.substring(0, dotIndex), childName.substring(dotIndex + 1), eValue);
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} else {
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jsonObject[parentName][childName] = eValue;
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}
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} else {
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pArray = jsonObject[parentName.substring(0, pArrayIndex)];
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//若不存在js数组，则初始化一个数组类型
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if (!pArray) {
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jsonObject[parentName.substring(0, pArrayIndex)] = new Array();
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}
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//取得集合下标，并判断对应下标是否存在js对象
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arrayIndex = parentName.substring(pArrayIndex + 1, parentName.length - 1);
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var c = jsonObject[parentName.substring(0, pArrayIndex)][arrayIndex];
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if (!c) {
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jsonObject[parentName.substring(0, pArrayIndex)][arrayIndex] = {};
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}
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dotIndex = childName.indexOf(".");
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if (dotIndex > 0) {
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iterJsonObject(jsonObject[parentName.substring(0, pArrayIndex)][arrayIndex], childName.substring(0, dotIndex), childName.substring(dotIndex + 1), eValue);
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} else {
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jsonObject[parentName.substring(0, pArrayIndex)][arrayIndex][childName] = eValue;
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}
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}
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}
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/**
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* 迭代json数据对象设置到表单域中
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*/
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function iterValueFromJsonObject(jsonObject, parentName, childName) {
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//pArrayIndex用于判断元素是否是数组标示
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pArrayIndex = parentName.indexOf("[");
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//判断是否集合数据，不是则只是对象属性
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if (pArrayIndex < 0) {
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dotIndex = childName.indexOf(".");
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if (dotIndex > 0) {
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return iterValueFromJsonObject(jsonObject[parentName], childName.substring(0, dotIndex), childName.substring(dotIndex + 1));
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} else {
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return jsonObject[parentName][childName];
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}
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} else {
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pArray = jsonObject[parentName.substring(0, pArrayIndex)];
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//取得集合下标，并判断对应下标是否存在js对象
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arrayIndex = parentName.substring(pArrayIndex + 1, parentName.length - 1);
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var c = jsonObject[parentName.substring(0, pArrayIndex)][arrayIndex];
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dotIndex = childName.indexOf(".");
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if (dotIndex > 0) {
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return iterValueFromJsonObject(jsonObject[parentName.substring(0, pArrayIndex)][arrayIndex], childName.substring(0, dotIndex), childName.substring(dotIndex + 1));
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} else {
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return jsonObject[parentName.substring(0, pArrayIndex)][arrayIndex][childName];
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}
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}
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}
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