package chs.jhsyss.form;

import java.lang.reflect.InvocationTargetException;

import java.lang.reflect.Method;

import java.util.Date;

public class Waper {

public Waper(){

}

/**

* 本方法用于將FORM對(duì)象組裝成一條INSERT語句

* @param obj ActionForm 以及其子對(duì)象

* @param formPath? ActionForm 以及其子對(duì)象的包路徑和名稱

* @param tableName? 所要操作的數(shù)據(jù)表

* @return 返回相應(yīng)的INSERT語句

*/

public String insert(Object obj,String formPath,String tableName){

long start? = new Date().getTime();

String sqlToVar = "insert into "+tableName+"(";

String sqlToValues = " ) values(";

Class $fj = null;

try {

$fj = Class.forName(formPath);//example "chs.jhsyss.form.FJhsyss"

} catch (ClassNotFoundException e1) {

// TODO Auto-generated catch block

e1.printStackTrace();

}

Class clazz = obj.getClass();

Method[] method = clazz.getDeclaredMethods();

for(int i=0;i

String methodName = method[i].getName();

if(methodName.indexOf("get")<0){

continue;// 除去非get方法

}else{

try {

Method m = $fj.getMethod(methodName, null);//根據(jù)指定的方法名取得相應(yīng)方法

String $methodName = methodName.toLowerCase().substring(3,methodName.length());//裁剪getXXX方

法取得相應(yīng)變量名稱

try {

String result = (String) m.invoke(obj, null);//調(diào)用方法，前一個(gè)參數(shù)代表傳進(jìn)來的FORM對(duì)

象，后一個(gè)為傳遞給方法的參數(shù)；返回結(jié)果為原來方法相應(yīng)的返回值

sqlToVar+=$methodName+",";

sqlToValues+="'"+result+"',";

} catch (IllegalArgumentException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IllegalAccessException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (InvocationTargetException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

} catch (SecurityException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (NoSuchMethodException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

sqlToVar=sqlToVar.substring(0,sqlToVar.length()-1);

sqlToValues=sqlToValues.substring(0,sqlToValues.length()-1)+")";

long end = new Date().getTime();

System.out.println("插入操作花費(fèi)總時(shí)間->"+(end-start)+"

System.out.println(sqlToVar+sqlToValues);

return sqlToVar+sqlToValues;

}

public String update(Object obj,String formPath,String xh,String tableName){

long start = new Date().getTime();

String sqlToVar = "update "+tableName+" set ";

Class $clazz = null;

try{

$clazz = Class.forName(formPath);

}catch(ClassNotFoundException e){

e.printStackTrace();

}

Class clazz = obj.getClass();

Method[] method = clazz.getDeclaredMethods();

for(int i = 0;i

String methodName = method[i].getName();

if(methodName.indexOf("get")<0){

continue;// 除去非get方法

}else{

try {

Method m = $clazz.getMethod(methodName, null);

String $methodName = methodName.toLowerCase().substring(3,methodName.length());//裁剪

getXXX方法取得相應(yīng)變量名稱

String result = (String) m.invoke(obj, null);

sqlToVar+=$methodName+"='"+result+"',";

} catch (SecurityException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (NoSuchMethodException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}//根據(jù)指定的方法名取得相應(yīng)方法

catch (IllegalArgumentException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IllegalAccessException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (InvocationTargetException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

}

sqlToVar=sqlToVar.substring(0,sqlToVar.length()-1)+" where xh="+xh;

long end = new Date().getTime();

System.out.println("更性操作花費(fèi)總時(shí)間->"+(end-start)+"

System.out.println("SQL->"+sqlToVar);

return sqlToVar;

}

public static void main(String[] args){

FJhsyss fj = new FJhsyss();

fj.setBcrq("20050202");

fj.setDwfzr("fafa");

fj.setGnjygr("fafa");

fj.setGnjyls("2000");

fj.setXh("seq_hqjc_jhsyss,");

String seq = "seq_hqjc_jhsyss.nextval";

String path = "chs.jhsyss.form.FJhsyss";

Waper r = new Waper();

r.insert(fj,path,"MYTABLE");

r.update(fj, path, "1", "mytable");

}

}

posted on 2007-07-04 18:13 小鳥 閱讀(183) 評(píng)論(0) ?編輯 ?收藏

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