一个Java类

/** *  */package com.gb.soa.core.util;import java.util.ArrayList;import com.gb.soa.core.accountbalance.model.Join;import com.gb.soa.core.accountbalance.model.JoinField;import com.gb.soa.core.accountbalance.model.ShowField;import com.gb.soa.core.accountbalance.model.Where;import com.gb.soa.core.config.jni.json.JSONObject;/** * @author Ling-Feng.Wu * */public class JavaJsonQueryUtil {/**     * json字符串转换成Join对象     * @param jsonString     * @return     */    public static Join json2Join(String jsonString){          }/**     * json字符串转换成Join对象     * @param jsonString     * @return     */    public static Join json2Join(JSONObject jo){        Join join=new Join();//String joinType=ConfigJsonUtil.getJsonValues(jsonString, "joinType");join.setJoinType(joinType);String vjoinfields=ConfigJsonUtil.getJsonPropertyValue(jsonString, "joinfields");if(null!=vjoinfields && vjoinfields.trim().length()>0 && vjoinfields.trim().startsWith("[") ){        String[] joinfields=JavaJsonUtil.getDTOArray(vjoinfields);        ArrayList<JoinField> joinlist=new ArrayList<JoinField>(joinfields.length);        for(int i=0;i<joinfields.length;i++){                JoinField jf=json2JoinField(joinfields[i]);        joinlist.add(jf);        }        join.setJoinfields(joinlist);}//String jointablealias=ConfigJsonUtil.getJsonPropertyValue(jsonString, "jointablealias");join.setJointablealias(jointablealias);//String jointablename=ConfigJsonUtil.getJsonPropertyValue(jsonString, "jointablename");join.setJointablename(jointablename);return join;    }        /**     * json字符串转换成JoinField对象     * @param jsonString     * @return     */    public static JoinField json2JoinField(String jsonString){        JoinField joinfield=new JoinField();   //String leftBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftBracket");joinfield.setLeftBracket(leftBracket);//String leftfield=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftfield");joinfield.setLeftfield(leftfield);//String lefttable=ConfigJsonUtil.getJsonPropertyValue(jsonString, "lefttable");joinfield.setLefttable(lefttable);//String operator=ConfigJsonUtil.getJsonPropertyValue(jsonString, "operator");joinfield.setOperator(operator);//String rightBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "rightBracket");joinfield.setRightBracket(rightBracket);//String rightfield=ConfigJsonUtil.getJsonPropertyValue(jsonString, "rightfield");joinfield.setRightfield(rightfield);//String righttable=ConfigJsonUtil.getJsonPropertyValue(jsonString, "righttable");joinfield.setRighttable(righttable);//String righttablealias=ConfigJsonUtil.getJsonPropertyValue(jsonString, "righttablealias");joinfield.setRighttablealias(righttablealias);return joinfield;    }        /**     * json字符串转换成ShowField对象     * @param jsonString     * @return     */    public static ShowField json2ShowField(String jsonString){        ShowField showfield=new ShowField();   String fieldname=ConfigJsonUtil.getJsonPropertyValue(jsonString, "fieldname");showfield.setFieldname(fieldname);//String fieldoname=ConfigJsonUtil.getJsonPropertyValue(jsonString, "fieldoname");showfield.setFieldoname(fieldoname);//String isorder=ConfigJsonUtil.getJsonPropertyValue(jsonString, "isorder");showfield.setIsorder(isorder);//String isgroup=ConfigJsonUtil.getJsonPropertyValue(jsonString, "isgroup");showfield.setIsgroup(isgroup);//String ordername=ConfigJsonUtil.getJsonPropertyValue(jsonString, "ordername");showfield.setOrdername(ordername);//String isshow=ConfigJsonUtil.getJsonPropertyValue(jsonString, "isshow");showfield.setIsshow(isshow);return showfield;    }        /**     * json字符串转换成Where对象     * @param jsonString     * @return     */    public static Where json2Where(String jsonString){        Where where=new Where();   String andor=ConfigJsonUtil.getJsonPropertyValue(jsonString, "andor");where.setAndor(andor);//String leftBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftBracket");where.setLeftBracket(leftBracket);//String rightBracket=ConfigJsonUtil.getJsonPropertyValue(jsonString, "rightBracket");where.setRightBracket(rightBracket);//String leftField=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftField");where.setLeftField(leftField);//String leftTable=ConfigJsonUtil.getJsonPropertyValue(jsonString, "leftTable");where.setLeftTable(leftTable);//String operator=ConfigJsonUtil.getJsonPropertyValue(jsonString, "operator");where.setOperator(operator);//String param=ConfigJsonUtil.getJsonPropertyValue(jsonString, "param");where.setParam(param);//String paramType=ConfigJsonUtil.getJsonPropertyValue(jsonString, "paramType");where.setParamType(paramType);//String fieldType=ConfigJsonUtil.getJsonPropertyValue(jsonString, "fieldType");where.setFieldType(fieldType);return where;    }}