我要评论package com.swing.test;
import java.awt.eventqueue;
import java.awt.image;
import java.awt.event.windowadapter;
import java.awt.event.windowevent;
import javax.swing.imageicon;
import javax.swing.jframe;
import javax.swing.jlabel;
import javax.swing.joptionpane;
import javax.swing.jpanel;
/**
*@title backgroundpic.java
*@description todo
*@ time 2018-8-31 下午11:11:50
*@author anderson
*@version 1.0
*/
public class backgroundpic extends jframe {
private static final long serialversionuid = 1l;
private jpanel contentpane;//最大的jpanel层
private jlabel lblbackgroundl;//背景图片标签
/**
* create the frame.
*/
public backgroundpic() {
contentpane = new jpanel();
setcontentpane(contentpane);
contentpane.setlayout(null);//绝对布局
setresizable(false);//不允许用户自定义大小
setsize(612 ,398);//设置jpanel大小
setlocationrelativeto(null);//居中
//设置点关闭后什么也不做.为添加关闭窗口验证做铺垫
setdefaultcloseoperation(do_nothing_on_close);
/**
* 为整个窗口添加退出确认,前提是
* setdefaultcloseoperation(do_nothing_on_close);
*/
addwindowlistener(new windowadapter() {
public void windowclosing(windowevent e) {
int isexits = joptionpane.showconfirmdialog(null, "确认退出吗?",
"exit", joptionpane.ok_cancel_option,
joptionpane.question_message);
if (isexits == joptionpane.ok_option) {
system.exit(0);
}
}
});
/**********************设置背景图片***********************/
/**
* @author administrator
* getscaledinstance(width,height,hints);
* //width,height,hints为方法中的参数
* width the width to which to scale the image.
* height the height to which to scale the image.
* hints flags to indicate the type of algorithm to use for image resampling.
* //指示用于图像重新取样的算法类型的标志，指定缩放的比例算法
*/
imageicon background = new imageicon("./img/login_box.jpg");
background.setimage(
background.getimage().getscaledinstance(
background.geticonwidth(), background.geticonheight(),
image.scale_default
)
);
lblbackgroundl = new jlabel();
lblbackgroundl.setbounds(0, 0, 608, 369);
lblbackgroundl.seticon(background);
lblbackgroundl.sethorizontalalignment(0);
getcontentpane().add(lblbackgroundl);
system.out.println(
"图片宽: "+background.geticonwidth() +
"高:" + background.geticonheight()
);
/**********************以上,设置背景图片***********************/
}
/**
* launch the application.
*/
public static void main(string[] args) {
eventqueue.invokelater(new runnable() {
public void run() {
try {
backgroundpic frame = new backgroundpic();
frame.setvisible(true);
} catch (exception e) {
e.printstacktrace();
}
}
});
}
}
private static jcombobox<string> cobauth;
cobauth = new jcombobox<string>();
cobauth.setbounds(244, 235, 147, 21);
cobauth.additem("leader");//添加下拉内容
cobauth.additem("worker");
//cobauth.setselectedindex(0);//设置默认显示下拉框
contentpane.add(cobauth);
//获取下拉框值
private static string auth1;
auth1 = (string) cobauth.getselecteditem();
private static jpasswordfield pwdfield; pwdfield = new jpasswordfield(); pwdfield.setbounds(244, 210, 147, 21); contentpane.add(pwdfield); //获取密码框值 private static string pwd1; pwd1 = string.valueof(pwdfield.getpassword()).trim();
package pers.jason.market.util;
import java.util.regex.matcher;
import java.util.regex.pattern;
/**
* 工具包
* @author administrator
*
*/
public final class util {
/**
* 判断字符串是否为空
* @param str
* @return
*/
public static boolean isempty(string str) {
return null == str || "" .equals(str.trim()) ? true : false;
}
/**
* 判断字符串是否为整数
* @title : isnumber
* @description:
* @param str
* @return
* @return boolean
* @author anderson
* @data 2018-8-23 下午10:05:06
*/
public static boolean isint (string str){
pattern pattern = pattern.compile("[0-9]+");
matcher isnum = pattern.matcher(str);
if( !isnum.matches() ){
return false;
}
return true;
}
/**
* 判断是否为小数
* @title : isdouble
* @description:
* @param str
* @return
* @return boolean
* @author anderson
* @data 2018-8-23 下午10:59:04
*/
public static boolean isdouble (string str){
string [] num = str.split("\\.");
if(num.length == 2 && isint(num[0]) && isint(num[1]) ){
return true;
}
return false;
}
/**
*
* @title : isdolores
* @description:判断是否为美元
* @param str
* @return
* @return boolean
* @author anderson
* @data 2018-8-27 上午11:38:26
*/
public static boolean isdolores(string str){
if("$".equals(str)){
return true;
}else
return false;
}
/**
*
* @title : isrmb
* @description: 判断是否为人民币
* @param str
* @return
* @return boolean
* @author anderson
* @data 2018-8-27 下午12:33:11
*/
public static boolean isrmb(string str){
if("¥".equals(str)){
return true;
}
return false;
}
}
transaction=pers.jason.market.transaction.impl.transactionimpl userdao=pers.jason.market.dao.impl.userdaoimpl userservice=pers.jason.market.service.impl.userserviceimpl accountdao=pers.jason.market.dao.impl.accountdaoimpl accountservice=pers.jason.market.service.impl.accountserviceimpl supplierdao=pers.jason.market.dao.impl.supplierdaoimpl supplierservice=pers.jason.market.service.impl.supplierserviceimpl suppliergroupdao=pers.jason.market.dao.impl.suppliergroupdaoimpl suppliergroupservice=pers.jason.market.service.impl.suppliergroupserviceimpl goodsgroupdao=pers.jason.market.dao.impl.goodsgroupdaoimpl goodsgroupservice=pers.jason.market.service.impl.goodsgroupserviceimpl
等号左边是接口,等号右边是其对应的实现类所在的包及实现类本身
之所以要写这个,是因为要写对象工厂
package pers.jason.market.object.factoy;
import java.io.fileinputstream;
import java.io.filenotfoundexception;
import java.io.ioexception;
import java.util.enumeration;
import java.util.hashmap;
import java.util.map;
import java.util.properties;
/**
*
* @title objectfactory.java
* @description todo 对象工厂
* @time 2018-8-20 下午3:11:19
* @author anderson
* @version 1.0 ok
*/
public final class objectfactory {
private static map<string, object> objectmap = new hashmap<string,object>();
static {
properties properties = new properties();
try {
properties.load(new fileinputstream("object.properties"));
enumeration<?> enumeration =properties.keys();
while(enumeration.hasmoreelements()) {
string key = (string)enumeration.nextelement();
string value = properties.getproperty(key);
objectmap.put(key, class.forname(value).newinstance());
}
} catch (filenotfoundexception e) {
e.printstacktrace();
} catch (ioexception e) {
e.printstacktrace();
} catch (instantiationexception e) {
e.printstacktrace();
} catch (illegalaccessexception e) {
e.printstacktrace();
} catch (classnotfoundexception e) {
e.printstacktrace();
}
}
public static object getinstance(string key) {//得到对象
//system.out.println(key+"："+objectmap.get(key));
return objectmap.get(key);
}
}
package pers.jason.market.transaction;
/**
*@title transaction.java
*@description todo 事务管理接口
*@ time 2018-8-18 下午11:50:51
*@author anderson
*@version 1.0
*/
public interface transaction {
/**
*
* @title : begin
* @description:事务开启
* @return void
* @author anderson
* @data 2018-8-18 下午11:51:21
*/
public abstract void begin();
/**
*
* @title : commit
* @description:事务提交
* @return void
* @author anderson
* @data 2018-8-18 下午11:51:26
*/
public abstract void commit();
/**
*
* @title : rollback
* @description:事务回滚
* @return void
* @author anderson
* @data 2018-8-18 下午11:51:30
*/
public abstract void rollback();
}
package pers.jason.market.transaction.impl;
import java.sql.connection;
import java.sql.sqlexception;
import pers.jason.market.transaction.transaction;
import pers.jason.market.util.jdbcutil;
/**
*@title transactionimpl.java
*@description todo 事务管理接口实现类
*@ time 2018-8-18 下午11:52:59
*@author anderson
*@version 1.0 照抄完毕
*/
public class transactionimpl implements transaction{
/**
* 事务开启
*/
@override
public void begin() {
connection conn = jdbcutil.getconnection();
try {
conn.setautocommit(false);//false为禁止自动提交
} catch (sqlexception e) {
e.printstacktrace();
}
}
/**
* 事务提交
*/
@override
public void commit() {
connection conn = jdbcutil.getconnection();
try {
conn.commit();//事务提交
} catch (sqlexception e) {
e.printstacktrace();
}finally {
jdbcutil.closeconnection(conn);
}
}
/**
* 事务回滚
*/
@override
public void rollback() {
connection conn = jdbcutil.getconnection();
try {
conn.rollback();//事务回滚
} catch (sqlexception e) {
e.printstacktrace();
}finally {
jdbcutil.closeconnection(conn);
}
}
}
package pers.jason.market.util;
import java.io.fileinputstream;
import java.io.filenotfoundexception;
import java.io.ioexception;
import java.sql.connection;
import java.sql.sqlexception;
import java.util.properties;
import javax.sql.datasource;
import org.apache.commons.dbcp.basicdatasourcefactory;
/**
*@title jdbcutil.java
*@description todo 加载数据库的连接类
*@ time 2018-8-18 下午11:58:34
*@author anderson
*@version 1.0 照抄完毕
*/
public final class jdbcutil {
private static datasource datasource =null;
private static threadlocal<connection> threadlocal = new threadlocal<connection>();
static {
properties properties = new properties();
try {
//读取配置文件
properties.load(new fileinputstream("database.properties"));
} catch (filenotfoundexception e) {
e.printstacktrace();
} catch (ioexception e) {
e.printstacktrace();
}
try {
datasource = basicdatasourcefactory.createdatasource(properties);//加载配置文件
} catch (exception e1) {
e1.printstacktrace();
}
}
/**
* 获取连接
* @return
*/
public static connection getconnection() {
connection conn = threadlocal.get();//从线程局部变量map中取出连接
if(null == conn) {//首次获取连接为null。要读取配置文件获取连接
try {
conn =datasource.getconnection();//获取连接
threadlocal.set(conn);//保存连接到局部变量中
} catch (sqlexception e) {
e.printstacktrace();
}
}
return conn;
}
/**
* 关闭连接
* @param conn
*/
public static void closeconnection(connection conn) {
if(null != conn) {
threadlocal.remove();//先从局部变量中删除
try {
conn.close();//然后再关闭自身连接
} catch (sqlexception e) {
e.printstacktrace();
}
}
}
}
其中配置文件为:(database.properties)
driverclassname=com.mysql.jdbc.driver
url=jdbc:mysql://localhost:3306/db_market
username=root
password=cc321321
package pers.jason.market.util;
import java.sql.connection;
import java.sql.preparedstatement;
import java.sql.resultset;
import java.sql.sqlexception;
import java.util.arraylist;
import java.util.list;
import pers.jason.market.rowmapper.rowmapper;
/**
* jdbc管理类
* @author administrator
*
*/
public final class jdbctemplate {
/**
* 增删改方法
* @param sql
* @param param
* @return
* @throws sqlexception
*/
public static int executeupdate(string sql,object ...param) {
int rows=-1;
connection conn=jdbcutil.getconnection();
try {
preparedstatement ps=conn.preparestatement(sql);
if(null!=param && param.length>0){
for (int i = 0; i < param.length; i++) {
ps.setobject((i+1), param[i]);
}
}
rows=ps.executeupdate();
close(null,ps);
} catch (sqlexception e) {
e.printstacktrace();
}
return rows;
}
/**
* 查询方法
* @param sql
* @param rowmapper
* @param param
* @return
* @throws sqlexception
*/
public static list<object> executequery(string sql,rowmapper rowmapper,object ...param) throws sqlexception {
list<object> list = new arraylist<object>();
connection conn = jdbcutil.getconnection();//获取连接
preparedstatement ps = conn.preparestatement(sql);
if(null != param && param.length>0) {
for (int i = 0; i < param.length; i++) {
ps.setobject((i+1), param[i]);// 占位符从1开始 下标从0开始
}
}
system.out.println("jdbc 中ps: " + ps); //测试
resultset rs = ps.executequery();
while(rs.next()) {
object obj = rowmapper.getobjectmapper(rs);
list.add(obj);
}
close(rs,ps);
return list;
}
private static void close(resultset rs,preparedstatement ps) throws sqlexception {
if(null != rs) {
rs.close();
}
if(null != ps) {
ps.close();
}
}
}
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