JSON字符串操作移除空串更改key/value的介绍
对于JSON字符串的操作。移除键值、添加属性。
//删除JSON对象value值
var json=[.....];
delete(json['key']);
或者
delete(json.key);
//添加对象object
json.object=value;
或者
json['object']=value;
如果数据是查询数据库得到的,那么可能会存在空值,for循环JSON数据挨个移除空值或者操作数据比较繁琐。
这时候可以使用for…in来循环属性 去除空值或者操作数据。
function removeEmptyObject(object){
for (var i in object) {
var value = object[i];
if (typeof value === 'object') {
if (Array.isArray(value)) {
if (value.length == 0) {
delete object[i];
continue;
}
}
removeEmptyObject(value);
//按需添加
if (isEmpty(value)) {
delete object[i];
}
} else {
if (value === '' || value === null || value === undefined) {
delete object[i];
} else {
}
}
}
return object;
}
//是否为空
function isEmpty(object) {
for (var name in object) {
return false;
}
return true;
}
操作组织架构JSON数据,移除空键值,子集内容合并到新键children下。
function removeEmptyObject(object){
for (var i in object) {
var value = object[i];
if (typeof value === 'object') {
if (Array.isArray(value)) {
if (value.length == 0) {
//alert(object[i]);
delete object[i];
continue;
}else{
var a=[];
if(i=='jobChildren'){
for (var j = 0; j < object[i].length; j++) {
a.push(object[i][j]);
}
delete object[i];
}else if(i=='userChildren'){
for (var j = 0; j < object[i].length; j++) {
a.push(object[i][j]);
}
delete object[i];
}else if(i=='deptChildren'){
for (var j = 0; j < object[i].length; j++) {
a.push(object[i][j]);
}
delete object[i];
}else if(i=='companyChildren'){
for (var j = 0; j < object[i].length; j++) {
a.push(object[i][j]);
}
delete object[i];
}else if(i=='jobDeptChildren'){
for (var j = 0; j < object[i].length; j++) {
a.push(object[i][j]);
}
delete object[i];
}
if(a.length>0&&object["children"]!=undefined){
for (var k = 0; k < object["children"].length; k++) {
a.push(object["children"][k]);
}
object["children"]=a;
}else if(a.length>0 && object["children"]==undefined){
object["children"]=a;
}
}
}
removeEmptyObject(value);
if (isEmpty(value)) {
delete object[i];
}
} else {
if (value === '' || value === null || value === undefined) {
delete object[i];
} else {
}
}
}
}
function isEmpty(object) {
for (var name in object) {
return false;
}
return true;
}
需要的就试试吧。
总结
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