fastjson-1.2.7.jar集成扩展，通用json文本解析源码

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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();elseprefix1 = 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();elseprefix1 = 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);}}

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