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通用解析程序源码

源文件webeasy/WEB-INF/classes/JSONEasy.javapackage htok.apps;import htok.Path;import htok.tools.*;import htok.we.html.*;import htok.we.*;import javax.servlet.http.*;import java.util.*;import com.alibaba.fastjson.*;public class JSONEasy extends JspEasy{/*/构造对象	public JSONEasy()	{		super();	}*/	public JSONEasy(HttpServletRequest request,HttpServletResponse response)	{		super(request,response);	}//解析JSON文本	public void parseJson(String json)	{parseJson(json,"j");}	public void parseJson(String json,String prefix)	{		int pos = json.indexOf("[");		if(pos==-1)		{			try {				JSONObject jsonObj = JSON.parseObject(json);				json2Bag(jsonObj,prefix,0);			} catch (Exception e) {				getBag("pPage").set("jsonerror", "Invalid JSON format");log(e.getMessage());			}		}		else if(pos==0)		{			try {				JSONArray jsonArr = JSON.parseArray(json);				jsonArray2Bag(jsonArr,prefix,0);			} catch (Exception e) {				getBag("pPage").set("jsonerror", "Invalid JSON format");			}		}		else{			String str = json.substring(0,pos);			str = str.trim();			if(str.equals(""))			{				try {					JSONArray jsonArr = JSON.parseArray(json);					jsonArray2Bag(jsonArr,prefix,0);				} catch (Exception e) {					getBag("pPage").set("jsonerror", "Invalid JSON format");				}			}			else{				try {					JSONObject jsonObj = JSON.parseObject(json);					json2Bag(jsonObj,prefix,0);				} catch (Exception e) {					getBag("pPage").set("jsonerror", "Invalid JSON format");				}			}		}	}	public void json2Bag(JSONObject jsonObj,String prefix,int level)	{		try {			String key;			String value;			Bag b0 = new Bag(Bag.BAG);			String prefix1;			if(prefix.indexOf("0")>0)				prefix1 = new StringBuffer(prefix).append(".").append(String.valueOf(level)).toString();			else				prefix1 = new StringBuffer(prefix).append(String.valueOf(level)).toString();			setBag(prefix1,b0);//log(prefix1);			int i=0;			for (Map.Entry<String, Object> entry : jsonObj.entrySet())			{				key = entry.getKey();				if(!tools.canName(key)) key = new StringBuffer("_").append(key).toString();				Object ob = entry.getValue();				if(ob instanceof JSONArray)//如果下级是json数组就调jsonArray2Bag				{					jsonArray2Bag((JSONArray)ob,prefix1,i);					b0.set(key,new StringBuffer(prefix1).append(".").append(String.valueOf(i)).toString());				}				else if(ob instanceof JSONObject)//如果下级是json对象就递归				{					json2Bag((JSONObject)ob,prefix1,i);					b0.set(key,new StringBuffer(prefix1).append(".").append(String.valueOf(i)).toString());				}				else{//如果下级是如果是文本或值，就放进书包					value = String.valueOf(ob);					if (!value.equals(""))						b0.set(key, value);				}				i++;			}		} catch (Exception e) {			getBag("pPage").set("jsonerror", "Invalid JSON format");		}	}	public void jsonArray2Bag(JSONArray jsonArray,String prefix,int level)	{		try {			Bag b0 = new Bag(Bag.BAG);			String prefix1;			if(prefix.indexOf("0")>0)				prefix1 = new StringBuffer(prefix).append(".").append(String.valueOf(level)).toString();			else				prefix1 = new StringBuffer(prefix).append(String.valueOf(level)).toString();			setBag(prefix1,b0);//log(prefix1);			int i=0;			for(Object ob :jsonArray)			{				b0.setSuffix(i);				if(ob instanceof JSONArray)//如果下级是json数组就递归				{					jsonArray2Bag((JSONArray)ob,prefix1,i);					b0.set("v",new StringBuffer(prefix1).append(".").append(String.valueOf(i)).toString());				}				else if(ob instanceof JSONObject)//如果下级是json对象就生成一个以对象名为id的书包				{					int j=0;					for (Map.Entry<String, Object> entry : ((JSONObject)ob).entrySet())					{						String key = entry.getKey();						if(!tools.canName(key)) key = new StringBuffer("_").append(key).toString();						Object ob1 = entry.getValue();						if(ob1 instanceof JSONArray)//如果下级是json数组就调jsonArray2Bag						{							jsonArray2Bag((JSONArray)ob1,new StringBuffer(prefix1).append(".").append(String.valueOf(i)).toString(),j);							b0.set(key,new StringBuffer(prefix1).append(".").append(String.valueOf(i)).append(".").append(String.valueOf(j)).toString());						}						else if(ob1 instanceof JSONObject)//如果下级是json对象就递归						{							json2Bag((JSONObject)ob1,new StringBuffer(prefix1).append(".").append(String.valueOf(i)).toString(),j);							b0.set(key,new StringBuffer(prefix1).append(".").append(String.valueOf(i)).append(".").append(String.valueOf(j)).toString());						}						else{//如果下级是如果是文本或值，就放进书包							String value = String.valueOf(ob1);							if (!value.equals(""))								b0.set(key, value);						}						j++;					}					b0.set("v",new StringBuffer(prefix1).append(".").append(String.valueOf(i)).toString());				}				else{//如果下级是如果是文本或值，就放进书包					String value = String.valueOf(ob);					if (!value.equals(""))						b0.set("v", value);				}				i++;			}		} catch (Exception e) {			getBag("pPage").set("jsonerror", "Invalid JSON format");		}	}	public void log(String str)	{		Path.log("JSONEasy_",str);	}}下载：download.csdn.net/detail/tx18/9382604