java中字符串中有空格如何转为json java中字符串怎么转json
java\u5982\u4f55\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683cJAVA\u4e2d\u53bb\u6389\u7a7a\u683c
1. String.trim()
trim()\u662f\u53bb\u6389\u9996\u5c3e\u7a7a\u683c
2.str.replace(" ", ""); \u53bb\u6389\u6240\u6709\u7a7a\u683c\uff0c\u5305\u62ec\u9996\u5c3e\u3001\u4e2d\u95f4
\u590d\u5236\u4ee3\u7801 \u4ee3\u7801\u5982\u4e0b:String str = " hell o ";
String str2 = str.replaceAll(" ", "");
System.out.println(str2);
3.\u6216\u8005replaceAll(" +",""); \u53bb\u6389\u6240\u6709\u7a7a\u683c
4.str = .replaceAll("\\s*", "");
\u53ef\u4ee5\u66ff\u6362\u5927\u90e8\u5206\u7a7a\u767d\u5b57\u7b26\uff0c \u4e0d\u9650\u4e8e\u7a7a\u683c
\s \u53ef\u4ee5\u5339\u914d\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u9875\u7b26\u7b49\u7a7a\u767d\u5b57\u7b26\u7684\u5176\u4e2d\u4efb\u610f\u4e00\u4e2a \u60a8\u53ef\u80fd\u611f\u5174\u8da3\u7684\u6587\u7ae0:java\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u683c\u3001\u56de\u8f66\u3001\u6362\u884c\u7b26\u3001\u5236\u8868\u7b26\u7684\u5c0f\u4f8b\u5b50
string\u7c7b\u578b\u5982\u679c\u8981\u8f6c\u6362\u6210json\u7684\u8bdd\uff0c\u5c31\u9700\u8981\u5199\u6210\u8fd9\u6837\u7684\u5f62\u5f0f\uff0c\u5982\u4e0b\uff1a
String jsonStr ="{'id':'11','parentId':'root','refObj':{'existType':'exist','deptType':'emp','treeNodeType':'dept'}}";
JSONObject jsonObj = new JSONObject(jsonStr);
JSONObject refObj = new JSONObject(jsonObj.getString("refObj"));
String existType = refObj.getString("existType");
System.out.println(existType);
jar\u4f7f\u7528\u7684\u662forg.json.jar
json操作主要有两种，一种是json字符串转换成json对象，还有就是反过来。
如果你的字符串确实需要空格，试着现将有用的空格转换成其他字符，之后再转换过来，
还有就是利用现在的流行工具试试，很多操作json的工具。像gson，Java自带的对象等。
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