jsonUtils.js
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var html_elements={
br:"<br/>"
}
var formatJson = function(json, options) {
var reg = null,
formatted = '',
pad = 0,
PADDING = ' '; // one can also use '\t' or a different number of spaces
// optional settings
options = options || {};
// remove newline where '{' or '[' follows ':'
options.newlineAfterColonIfBeforeBraceOrBracket = (options.newlineAfterColonIfBeforeBraceOrBracket === true) ? true : false;
// use a space after a colon
options.spaceAfterColon = (options.spaceAfterColon === false) ? false : true;
// begin formatting...
if (typeof json !== 'string') {
// make sure we start with the JSON as a string
json = JSON.stringify(json);
} else {
// is already a string, so parse and re-stringify in order to remove extra whitespace
json = JSON.parse(json);
json = JSON.stringify(json);
}
// add newline before and after curly braces
reg = /([\{\}])/g;
json = json.replace(reg, '\r\n$1\r\n');
// add newline before and after square brackets
reg = /([\[\]])/g;
json = json.replace(reg, '\r\n$1\r\n');
// add newline after comma
reg = /(\,)/g;
json = json.replace(reg, '$1\r\n');
// remove multiple newlines
reg = /(\r\n\r\n)/g;
json = json.replace(reg, '\r\n');
// remove newlines before commas
reg = /\r\n\,/g;
json = json.replace(reg, ',');
// optional formatting...
if (!options.newlineAfterColonIfBeforeBraceOrBracket) {
reg = /\:\r\n\{/g;
json = json.replace(reg, ':{');
reg = /\:\r\n\[/g;
json = json.replace(reg, ':[');
}
if (options.spaceAfterColon) {
reg = /\:/g;
json = json.replace(reg, ': ');
}
$.each(json.split('\r\n'), function(index, node) {
var i = 0,
indent = 0,
padding = '';
if (node.match(/\{$/) || node.match(/\[$/)) {
indent = 1;
} else if (node.match(/\}/) || node.match(/\]/)) {
if (pad !== 0) {
pad -= 1;
}
} else {
indent = 0;
}
for (i = 0; i < pad; i++) {
padding += PADDING;
}
formatted += padding + node + html_elements.br;
pad += indent;
});
return formatted;
};
var jsonUtils={
formSerializeArrayKey:{
name:"name",
value:"value"
} ,
toJsonObj:function(_params){
var _g=this;
var result={};
var one_form_data= _params.data;
var _value;
//用于给每个名称计数
var nameCount = {};
for(var key in one_form_data){
var obj_name = one_form_data[key][_g.formSerializeArrayKey.name];
var isArray = false;
if(!nameCount[obj_name]){
nameCount[obj_name]=1;
}else{
nameCount[obj_name] = nameCount[obj_name] + 1;
isArray = true;
}
_value=one_form_data[key][_g.formSerializeArrayKey.value];
if(typeof(_value)==="string"){
_value=$.trim(_value);
}
if(isArray){
var _old = result[obj_name];
if(_old instanceof Array){
_old.push(_value);
result[obj_name]=_old;
}else{
var _arr = new Array();
_arr.push(_old);
_arr.push(_value);
result[obj_name]=_arr;
}
}else{
result[obj_name]=_value;
}
}
return result;
},
formatJson : function(json, options){
return formatJson(json, options);
},
isJson : function(str){
if (typeof str == 'string') {
try {
var obj=JSON.parse(str);
if(str.indexOf('{')>-1){
return true;
}else{
return false;
}
} catch(e) {
console.log(e);
return false;
}
}
return false;
}
};