testef.java

String+Hibernate用户登陆小系统

package com.dao.hibernate;

import java.util.*;

import com.vo.struts.form.EnrolForm;

public class TestEF {
	public static void main(String[] args) {
		 insert();
		// update();
		// queryById();
		// delete2();
		// delete3();
		// queryAll();
		// queryByLike();
	}

	// 增加
	public static void insert() {
		EnrolForm ef = new EnrolForm();
		ef.setUsername("tommy");
		ef.setPassword("1234");
		ef.setAffirmPassword("1234");
		ef.setEmail("[e-mail]");

		EnrolOperate eo = new EnrolOperate();
		eo.insert(ef);
	}

	// 修改
	public static void update() {
		EnrolForm ef = new EnrolForm();
		ef.setId(7);
		ef.setUsername("tommy");
		ef.setPassword("1234");
		ef.setAffirmPassword("1234");
		ef.setEmail("[e-mail]");

		EnrolOperate eo = new EnrolOperate();
		eo.update(ef);
	}

	// 按ID查询
	public static void queryById() {
		EnrolOperate eo = new EnrolOperate();
		EnrolForm ef = eo.queryById("7");
		System.out.println(ef.getUsername());
	}

	// 删除(必须先查询数据对象，性能下降)
	public static void delete2() {
		EnrolOperate eo = new EnrolOperate();
		EnrolForm ef = eo.queryById("6");
		eo.delete2(ef);
	}

	// 删除
	public static void delete3() {
		EnrolOperate eo = new EnrolOperate();
		eo.delete3("8");
	}

	// 查询全部
	public static void queryAll() {
		EnrolOperate eo = new EnrolOperate();
		List list = eo.queryAll();
		Iterator iter = list.iterator();
		while (iter.hasNext()) {
			EnrolForm ef = (EnrolForm) iter.next();
			System.out.println(ef.getUsername());
		}
	}

	// 模糊查询
	public static void queryByLike() {
		EnrolOperate eo = new EnrolOperate();
		List list = eo.queryByLike("t");
		Iterator iter = list.iterator();
		while (iter.hasNext()) {
			EnrolForm ef = (EnrolForm) iter.next();
			System.out.println(ef.getUsername());
		}
	}
}