比较两个Json对象是否相等

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比较两个Json对象是否相等

1.先准备三个工具方法，用于判断是否是对象类型，是否是数组，获取对象长度

function isObj(object) {return object && typeof (object) == 'object' && Object.prototype.toString.call(object).toLowerCase() == "[object object]";}function isArray(object) {return object && typeof (object) == 'object' && object.constructor == Array;}function getLength(object) {var count = 0;for (var i in object) count++;return count;}

var jsonObjA = {"Name": "MyName","Company": "MyCompany","Infos": [{ "Age": "100" },{"Box": [{ "Height": "100" },{ "Weight": "200" }]}],"Address": "马栏山"}var jsonObjB = {"Name": "MyName","Company": "MyCompany","Infos": [{ "Age": "100" },{"Box": [{ "Height": "100" },{ "Weight": "200" }]}],"Address": "马栏山二号"}

function Compare(objA, objB) {if (!isObj(objA) || !isObj(objB)) return false; //判断类型是否正确if (getLength(objA) != getLength(objB)) return false; //判断长度是否一致return CompareObj(objA, objB, true);//默认为true}function CompareObj(objA, objB, flag) {for (var key in objA) {if (!flag) //跳出整个循环break;if (!objB.hasOwnProperty(key)) { flag = false; break; }if (!isArray(objA[key])) { //子级不是数组时,比较属性值if (objB[key] != objA[key]) { flag = false; break; }} else {if (!isArray(objB[key])) { flag = false; break; }var oA = objA[key], oB = objB[key];if (oA.length != oB.length) { flag = false; break; }for (var k in oA) {if (!flag) //这里跳出循环是为了不让递归继续break;flag = CompareObj(oA[k], oB[k], flag);}}}return flag;}

var result = Compare(jsonObjA, jsonObjB);console.log(result); // true or false