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[Extjs4.0] keel_jdbc2.0后台管理模块 (包含前后台源码)
地址如下:
http://czpae86.iteye.com/blog/1058754
项目源码见附件!!
安装方法:
1,导入jar包.用到的jar包如下,请自己在网上下载,都是比较常见的.
2,还原数据库(在附件"keel数据库备份.rar"上)数据库使用的是MS SERVER 2005,
如果更改数据库请添加相应的jar包,和修改db.properties文件.
3,部署到tomcat(本人使用的是tomcat5.0)
4,启动tomcat,浏览器输入,如http://localhost:8080/keel_jdbc1.0/ (端口自己按实际情况更改)
5,帐号,密码都为(admin)
版本 V1.0
1:前台界面暂时只有登录,后续版本会增加复杂的页面!(用Extjs已经3年)
2:后台主要如下
一,通过一个servlet作为前后台交互入口,代码如下:
package keel.util;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.InvalidPropertiesFormatException;
import java.util.Map;
import java.util.Properties;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;
/**
* 前后台交互入口
* @author 蔡治平
* @since 2011-04-23
*/
public class KeelServlet extends HttpServlet {
private Logger logger = Logger.getLogger(KeelServlet.class);
private final String doGetMethod = "doGet";
private final String doPostMethod = "doPost";
private final String classConfigPath = "classConfig.xml";
/**
* 通过get方法提交将会调用该方法
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
dataOut(request, response, doGetMethod);
}
/**
* 通过post方法提交将会调用该方法
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
//response.setCharacterEncoding("UTF-8");
request.setCharacterEncoding("UTF-8");
dataOut(request, response, doPostMethod);
}
/**
* 打包提交的参数
* @param request
* @param method
* @return Map
*/
private Map dataInToMap(HttpServletRequest request,String method){
Enumeration names = request.getParameterNames();
Map map = new HashMap();
while(names.hasMoreElements()){
String name = names.nextElement().toString();
String value = request.getParameter(name);
if(method.equals(doGetMethod)){
try {
byte [] bytes = value.getBytes("ISO-8859-1");
map.put(name, new String(bytes,"UTF-8"));
} catch (UnsupportedEncodingException e) {
logger.error("打包提交参数出现异常,原因:"+e);
}
}else{
map.put(name, value);
}
}
return map;
}
/**
* 获得类名
* @param name
* @return String
*/
private String getClassName(String name){
Properties prop = new Properties();
String clsName = "";
try {
prop.loadFromXML(Thread.currentThread().getContextClassLoader().getResourceAsStream(classConfigPath));//this.getClass().getClassLoader().getResourceAsStream(classConfigPath)
clsName = prop.getProperty(name);
if(clsName==null){
logger.error(classConfigPath+"配置中没有定义key="+name);
}else if(clsName.trim().equals("")){
logger.error(classConfigPath+"配置中key="+name+"的值为空");
}else{
logger.info("从"+classConfigPath+"中成功获取类配置key="+name+"-->"+clsName);
}
} catch (InvalidPropertiesFormatException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return clsName;
}
/**
* 该方法打包前台提交参数,通过映射调用方法,然后返回结果到前台
* @param request
* @param response
* @param method
*/
@SuppressWarnings("unchecked")
private void dataOut(HttpServletRequest request, HttpServletResponse response, String method){
Map dataIn = this.dataInToMap(request,method);
dataIn.put("session", request.getSession());
String clsName = getClassName(request.getParameter("clsName"));
String methodName = request.getParameter("methodName");
Map dataOut = CallMethod.callMethod(clsName, methodName, dataIn);
String k = (String) dataOut.get("dataOut");
PrintWriter out;
try {
out = response.getWriter();
out.print(k);
out.flush();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
二,前台传入类别名(classConfig.xml中配置),方法名,通过反射执行类方法
package keel.util;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;
/**
* 通过反射执行类方法
* @author 蔡治平
* @since 2011-04-23
*/
public class CallMethod {
public static Map callMethod(String clsName,String method, Map dataIn)
{
Class cls = null;
try
{
cls = Class.forName(clsName);
}
catch (ClassNotFoundException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
Class partypes[] = new Class[1];
partypes[0] = Map.class;
Method meth = null;
try
{
meth = cls.getMethod(method, partypes);
}
catch (SecurityException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
catch (NoSuchMethodException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
Object returnValue = null;
try
{
returnValue = meth.invoke(cls.newInstance(), dataIn);
}
catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
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();
}
Map dataOut = (Map) returnValue;
return dataOut;
}
}
三,一个数据库连接池和一些数据库操作的封装,代码请看附件项目.
希望有你想要的东西! 请多给意见!
注意:该项目没有用到hibernate,spring,struts,dwr等框架!!
- keel_jdbc1.0.rar (919.5 KB)
- 下载次数: 355
- keel数据库备份.rar (99.8 KB)
- 下载次数: 217
- 查看图片附件