json包含單雙引號問題解決方案
最近項目中 遇到需要JSON傳數據 但是某個字段 裏面可能含有 雙引號和單引號 導致出現錯誤
為了方便 寫了一個工具類，比較好用。
支持“鏈式編程”
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效果DEMO：
JsonQuotesUtil.js
[javascript] view plain copy
/**
* 解決json傳輸數據時存在 同時存在單引號和雙引號的問題
*
* 思路：
*
* 1 首選將 雙引號轉義
*
* 2 將 單雙引號用不容易在字符串中出現的字符分別替換
* 在後臺 分別用過單雙引號替換掉即可
*
* 註：可以傳入字符串 也可以傳入字符串數組
* author: 明明如月 QQ 605283073
* time:2015年5月19日15:33:44
*/
function JsonQuotesUtil()
{
var defualtSingleQuotePlaceholder="s%0";//默認單引號占位符
var defualtDoubleQuotePlaceholder="d%1";//默認雙引號占位符
var singleQuotePlaceholder=defualtSingleQuotePlaceholder;//單引號占位符
var doubleQuotePlaceholder=defualtDoubleQuotePlaceholder;//雙引號占位符
//設置單引號占位符(建議起不容易出現的字符)
this.setSingleQuotePlaceholder = function(single)
{
singleQuotePlaceholder=single;
return this;
}
//設置雙引號占位符(建議起不容易出現的字符)
this.setDoubleQuotePlaceholder = function(double)
{
doubleQuotePlaceholder=double;
return this;
}
//恢復默認單引號和雙引號占位符
this.restoreDefaults = function()
{
singleQuotePlaceholder=defualtSingleQuotePlaceholder;
doubleQuotePlaceholder=defualtDoubleQuotePlaceholder;
return this;
}
//用單引號占位符替換單引號 並返回替換後的字符串
this.replaceSingleQuote=function (str)
{
if(str instanceof Array)//如果是數組分別替換
{
for(var i=0;i<str.length;i++)
{
str[i]= str[i].replace(/'/g, singleQuotePlaceholder);
}
}else
{
str= str[i].replace(/'/g, singleQuotePlaceholder);
}
return str;
}
//用雙引號替換符替換雙引號 並返回替換後的字符串
this.replaceDoubleQuote = function (str)
{
// return str.replace(/"/g, doubleQuotePlaceholder);
if(str instanceof Array)//如果是數組分別替換
{
for(var i=0;i<str.length;i++)
{
str[i]= str[i].replace(/'/g, doubleQuotePlaceholder);
}
}else
{
str= str[i].replace(/'/g, doubleQuotePlaceholder);
}
return str;
}
this.replaceSingleAndDoubleQuote = function(str)
{
// return str.replace(/'/g,singleQuotePlaceholder).replace(/"/g, doubleQuotePlaceholder);
if(str instanceof Array)//如果是數組分別替換
{
alert("1");
for(var i=0;i<str.length;i++)
{
alert(str[i]);
str[i]= str[i].replace(/'/g,singleQuotePlaceholder).replace(/"/g, doubleQuotePlaceholder);
}
}else
{
str= str.replace(/'/g,singleQuotePlaceholder).replace(/"/g, doubleQuotePlaceholder);
}
return str;
}
//雙引號轉義
this.escapeDoubleQuote = function(str)
{
if(str instanceof Array)//如果是數組分別替換
{
alert("1");
for(var i=0;i<str.length;i++)
{
alert(str[i]);
str[i]= str[i].replace(/"/g,"\\\"");
}
}else
{
str= str.replace(/"/g,"\\\"");;
}
return str;
}
}
demo.js 使用範例：
[javascript] view plain copy
/**
* Created by Administrator on 2015/5/19 0019.
*/
$(function(){
//替換單雙引號按鈕的點擊事件
$("#show").click(function(){
var sourceStr =$("#sourceStr").val();//獲取需要替換字符
/* 使用方法1 創建對象並自定義 單雙引號占位符
var jsonQuotesUtil = new JsonQuotesUtil().setSingleQuotePlaceholder
("%^^").setDoubleQuotePlaceholder("&&");//創建對象(同時自定義單雙引占位符)*/
/* 使用方法2 自定義對象並自定義 單雙引號占位符
var jsonQuotesUtil = new JsonQuotesUtil();//創建對象使用默認單雙引號占位符
jsonQuotesUtil.setSingleQuotePlaceholder("%^^");
jsonQuotesUtil.setDoubleQuotePlaceholder("##");*/
// jsonQuotesUtil.restoreDefaults();//恢復默認的單雙引號占位符
/* 使用方法3 自定義對象並自定義 單雙引號占位符
var jsonQuotesUtil = new JsonQuotesUtil();//創建對象使用默認單雙引號占位符
*/
var jsonQuotesUtil = new JsonQuotesUtil();//創建對象使用默認單雙引號占位符
var single =$("#single").val();//獲取 單引號占位符
var double = $("#double").val();//獲取輸入的雙引號占位符
if($.trim(single)!="")
{
jsonQuotesUtil.setSingleQuotePlaceholder(single);//設置單引號占位符
}
if($.trim(double)!="")
{
jsonQuotesUtil.setDoubleQuotePlaceholder(double);//設置雙引號占位符
}
var reuslt = jsonQuotesUtil.replaceSingleAndDoubleQuote(sourceStr);//同時替換單雙引
號
// var reuslt = jsonQuotesUtil.escapeDoubleQuote(sourceStr)
$("#replaceResult").html(reuslt);//顯示替換後的字符串
});
$("#escape").click(function(){
var sourceStr =$("#sourceStr").val();//獲取需要替換字符
var reuslt = new JsonQuotesUtil().escapeDoubleQuote(sourceStr);
$("#replaceResult").html(reuslt);//顯示替換後的字符串
});
function arrayTest()//支持數組每個字符串的替換（沒有調用）
{
var jsonQuotesUtil = new JsonQuotesUtil();//創建對象使用默認單雙引號占位符
var sourceStr = new Array();
sourceStr[0]="dfdfd'dfdf";
sourceStr[1]="dfdfd\"sfdsfsd";
alert("sourceStr"+sourceStr);
var reuslt = jsonQuotesUtil.replaceSingleAndDoubleQuote(sourceStr);//同時替換單雙引
號
alert( "after:"+reuslt);
}
});
JsonQuotesUtil Demo.html
[html] view plain copy
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>JsonQuotesUtil Demo</title>
<script type="text/javascript" src="libs/js/jquery.js"></script>
<script type="text/javascript" src="libs/js/JsonQuotesUtil.js"></script>
<script type="text/javascript" src="libs/js/demo.js"></script>
</head>
請輸入帶有單雙引號的字符串:<br/>
<textarea rows="10" cols="65" id="sourceStr">This is a simple solution for SingleQuote( ') and DoubleQuote(") in json </textarea>
<br/><br/>
單引號占位符:<input id="single" type="text" placeholder="s%0"/> 雙引號占位符:<input id="double" type="text" placeholder="d%1"/>
<br/> <br/>
<input type="button" id="show" value="替換單雙引號"> <input type="button" id="escape" value="轉義雙引號">
<br/>
<span id="replaceResult"></span>
</form>
</body>
</html>
後臺解析Util:
[java] view plain copy
package reg;
/**
* 解決json傳輸數據時存在 同時存在單引號和雙引號的問題
*
* 思路：
* 將 單雙引號用不容易在字符串中出現的字符分別替換
* 在後臺 分別用過單雙引號替換掉即可
* 註：可以傳入字符串 也可以傳入字符串數組
*
* author: 明明如月 QQ 605283073
* time:2015年5月19日15:33:44
*/
public class JsonQuotesUtil
{
private String defualtSingleQuotePlaceholder="s%0";//默認單引號占位符
private String defualtDoubleQuotePlaceholder="d%1";//默認雙引號占位符
public JsonQuotesUtil()
{
super();
}
public JsonQuotesUtil(String defualtSingleQuotePlaceholder,
String defualtDoubleQuotePlaceholder)
{
super();
this.defualtSingleQuotePlaceholder = defualtSingleQuotePlaceholder;
this.defualtDoubleQuotePlaceholder = defualtDoubleQuotePlaceholder;
}
//恢復單引號(字符串)
public String restoreSingleQuotes(String str)
{
return str.replaceAll(defualtSingleQuotePlaceholder, "\'");
}
public String[] restoreSingleQuotes(String[] strs)//恢復單引號（數組）
{
for(int i =0;i<strs.length;i++)
{
strs[i]= strs[i].replaceAll(defualtSingleQuotePlaceholder, "\'");
}
return strs;
}
//恢復雙引號
public String restoreDoubleQuote(String str)//恢復單引號（數組）
{
return str.replaceAll(defualtDoubleQuotePlaceholder, "\"");
}
public String[] restoreDoubleQuote(String[] strs)
{
for(int i =0;i<strs.length;i++)
{
strs[i]= strs[i].replaceAll(defualtSingleQuotePlaceholder, "\'");
}
return strs;
}
//恢復單雙引號
public String restoreSingleAndDoubleQuote(String str)
{
return str.replaceAll(defualtSingleQuotePlaceholder, "\'").replaceAll(defualtDoubleQuotePlaceholder, "\"");
}
public String[] restoreSingleAndDoubleQuote(String[] strs)//恢復單雙引號（數組）
{
for(int i =0;i<strs.length;i++)
{
strs[i]= strs[i].replaceAll(defualtSingleQuotePlaceholder, "\'").replaceAll(defualtDoubleQuotePlaceholder, "\"");
}
return strs;
}
public String getDefualtSingleQuotePlaceholder()
{
return defualtSingleQuotePlaceholder;
}
public void setDefualtSingleQuotePlaceholder(String defualtSingleQuotePlaceholder)
{
this.defualtSingleQuotePlaceholder = defualtSingleQuotePlaceholder;
}
public String getDefualtDoubleQuotePlaceholder()
{
return defualtDoubleQuotePlaceholder;
}
public void setDefualtDoubleQuotePlaceholder(String defualtDoubleQuotePlaceholder)
{
this.defualtDoubleQuotePlaceholder = defualtDoubleQuotePlaceholder;
}
}
Util使用方法：
[java] view plain copy
package reg;
public class JsonQuotesUtilDemo
{
public static void main(String args[])
{
//獲取前臺傳入的參數
String str="This is a simple solution for SingleQuote(s%0) and DoubleQuote(d%1) in json This is a simple solution for SingleQuote(s%0) and DoubleQuote(d%1) in json";
JsonQuotesUtil jsonQuotesUtil = new JsonQuotesUtil("s%0","d%1");
System.out.println(jsonQuotesUtil.restoreSingleAndDoubleQuote(str));
}
}
json包含單雙引號問題解決方案