javascript对象转化成json字符串
代码：
1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
5 <title>EQQ Proxy</title>
6 </head>
7
8 <body>
9 <script language="javascript">
10 var obj = {
11 v1 : {
12 v11 : 'value1',
13 vl2 : 'value2'
14 } ,
15 v2 : 'value3',
16 f1 : function(){
17 alert("hi");
18 }
19 }
20
21 /**
22 * Converts the given data structure to a JSON string.
23 * Argument: arr - The data structure that will be converted to JSON
24 * Example: var json_string = toJson(['e', {pluribus: 'unum'}]);
25 *
26 */
27 function toJson(arr) {
28 var parts = [];
29 var is_list = (Object.prototype.toString.apply(arr) === '[object Array]');
30
31 for(var key in arr) {
32 var value = arr[key];
33 if(typeof value == "object") {
34 parts.push(toJson(value));
35 }else if(typeof value == "function"){
36 value = value.toString()
37 .replace(/(\n[\s|\t]*\r*\n)/g, '')
38 .replace(/\n|\r|(\r\n)/g,'')
39 .replace(/\s{2,}/,'')
40 .replace(/"/,'\"');
41 parts.push('\"' + value + '\"');
42 } else {
43 var str = "";
44 if(!is_list){
45 key = key.replace(/"/,'\"');
46 str = '\"' + key + '\":';
47 }
48
49 //Custom handling for multiple data types
50 if(typeof value == "number"){//Numbers
51 str += value;
52 }else if(value === false){//The booleans false
53 str += 'false';
54 }else if(value === true){//The booleans true
55 str += 'true';
56 }else{//string
57 value = value.replace(/"/,'\"');
58 str += '\"' + value + '\"';
59 }
60
61 parts.push(str);
62 }
63 }
64 var json = parts.join(",");
65 if(is_list) return '[' + json + ']';//array
66 return '{' + json + '}';//object
67 }
68
69 console.log(toJson(obj));
70 </script>
71
72 </body>
73 </html>
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
5 <title>EQQ Proxy</title>
6 </head>
7
8 <body>
9 <script language="javascript">
10 var obj = {
11 v1 : {
12 v11 : 'value1',
13 vl2 : 'value2'
14 } ,
15 v2 : 'value3',
16 f1 : function(){
17 alert("hi");
18 }
19 }
20
21 /**
22 * Converts the given data structure to a JSON string.
23 * Argument: arr - The data structure that will be converted to JSON
24 * Example: var json_string = toJson(['e', {pluribus: 'unum'}]);
25 *
26 */
27 function toJson(arr) {
28 var parts = [];
29 var is_list = (Object.prototype.toString.apply(arr) === '[object Array]');
30
31 for(var key in arr) {
32 var value = arr[key];
33 if(typeof value == "object") {
34 parts.push(toJson(value));
35 }else if(typeof value == "function"){
36 value = value.toString()
37 .replace(/(\n[\s|\t]*\r*\n)/g, '')
38 .replace(/\n|\r|(\r\n)/g,'')
39 .replace(/\s{2,}/,'')
40 .replace(/"/,'\"');
41 parts.push('\"' + value + '\"');
42 } else {
43 var str = "";
44 if(!is_list){
45 key = key.replace(/"/,'\"');
46 str = '\"' + key + '\":';
47 }
48
49 //Custom handling for multiple data types
50 if(typeof value == "number"){//Numbers
51 str += value;
52 }else if(value === false){//The booleans false
53 str += 'false';
54 }else if(value === true){//The booleans true
55 str += 'true';
56 }else{//string
57 value = value.replace(/"/,'\"');
58 str += '\"' + value + '\"';
59 }
60
61 parts.push(str);
62 }
63 }
64 var json = parts.join(",");
65 if(is_list) return '[' + json + ']';//array
66 return '{' + json + '}';//object
67 }
68
69 console.log(toJson(obj));
70 </script>
71
72 </body>
73 </html>
