/*
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* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package com;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
/**
*
* @author pcw
*/
public class CodeFilter implements Filter {
private static final boolean debug = true;
// The filter configuration object we are associated with. If
// this value is null, this filter instance is not currently
// configured.
private FilterConfig filterConfig = null;
public CodeFilter() {
}
private void doBeforeProcessing(ServletRequest request, ServletResponse response)
throws IOException, ServletException {
if (debug) {
log("ServletFilter:DoBeforeProcessing");
}
}
private void doAfterProcessing(ServletRequest request, ServletResponse response)
throws IOException, ServletException {
if (debug) {
log("ServletFilter:DoAfterProcessing");
}
}
/**
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param chain The filter chain we are processing
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet error occurs
*/
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
System.out.println("start-doFilter");
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
//设置过滤页数据的面显示数据的编码
if (debug) {
log("ServletFilter:doFilter()");
}
doBeforeProcessing(request, response);
Throwable problem = null;
try {
chain.doFilter(request, response);
} catch (Throwable t) {
// If an exception is thrown somewhere down the filter chain,
// we still want to execute our after processing, and then
// rethrow the problem after that.
problem = t;
t.printStackTrace();
}
doAfterProcessing(request, response);
// If there was a problem, we want to rethrow it if it is
// a known type, otherwise log it.
if (problem != null) {
if (problem instanceof ServletException) {
throw (ServletException) problem;
}
if (problem instanceof IOException) {
throw (IOException) problem;
}
sendProcessingError(problem, response);
}
}
/**
* Return the filter configuration object for this filter.
*/
public FilterConfig getFilterConfig() {
return (this.filterConfig);
}
/**
* Set the filter configuration object for this filter.
*
* @param filterConfig The filter configuration object
*/
public void setFilterConfig(FilterConfig filterConfig) {
this.filterConfig = filterConfig;
}
/**
* Destroy method for this filter
*/
public void destroy() {
}
/**
* Init method for this filter
*/
public void init(FilterConfig filterConfig) {
this.filterConfig = filterConfig;
if (filterConfig != null) {
if (debug) {
log("ServletFilter:Initializing filter");
}
}
}
/**
* Return a String representation of this object.
*/
@Override
public String toString() {
if (filterConfig == null) {
return ("ServletFilter()");
}
StringBuffer sb = new StringBuffer("ServletFilter(");
sb.append(filterConfig);
sb.append(")");
return (sb.toString());
}
private void sendProcessingError(Throwable t, ServletResponse response) {
String stackTrace = getStackTrace(t);
if (stackTrace != null && !stackTrace.equals("")) {
try {
response.setContentType("text/html");
PrintStream ps = new PrintStream(response.getOutputStream());
PrintWriter pw = new PrintWriter(ps);
pw.print("<html>\n<head>\n<title>Error</title>\n</head>\n<body>\n"); //NOI18N
// PENDING! Localize this for next official release
pw.print("<h1>The resource did not process correctly</h1>\n<pre>\n");
pw.print(stackTrace);
pw.print("</pre></body>\n</html>"); //NOI18N
pw.close();
ps.close();
response.getOutputStream().close();
} catch (Exception ex) {
}
} else {
try {
PrintStream ps = new PrintStream(response.getOutputStream());
t.printStackTrace(ps);
ps.close();
response.getOutputStream().close();
} catch (Exception ex) {
}
}
}
public static String getStackTrace(Throwable t) {
String stackTrace = null;
try {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
t.printStackTrace(pw);
pw.close();
sw.close();
stackTrace = sw.getBuffer().toString();
} catch (Exception ex) {
}
return stackTrace;
}
public void log(String msg) {
filterConfig.getServletContext().log(msg);
}
}
JAVAEE-商城管理系统 （155个子文件） 
LoginFilter.class 5KB CodeFilter.class 5KB CodeFilter.class 5KB newjsp_jsp.class 4KB LoginFilter.class 3KB DBean.class 2KB DBean.class 2KB JDBCdemo.class 2KB GoodsBean.class 2KB GoodsBean.class 2KB .classpath 766B org.eclipse.wst.common.component 480B org.eclipse.wst.jsdt.ui.superType.container 49B Shopping.css 1KB Shopping.css 1KB Shopping.css 1KB Login.css 958B Login.css 958B Login.css 958B Register.css 943B Register.css 943B Register.css 943B ShoppingCart.css 704B ShoppingCart.css 704B ShoppingCart.css 690B gfv3ee6.dpf 476B
sqljdbc42.jar 878KB CodeFilter.java 6KB CodeFilter.java 6KB LoginFilter.java 5KB LoginFilter.java 4KB newjsp_jsp.java 3KB DBean.java 2KB DBean.java 2KB JDBCdemo.java 2KB GoodsBean.java 978B GoodsBean.java 978B
top.jpg 389KB top.jpg 389KB top.jpg 389KB register_background.jpg 234KB register_background.jpg 234KB register_background.jpg 234KB flowerCake.jpg 162KB flowerCake.jpg 162KB flowerCake.jpg 162KB multiCake.jpg 151KB multiCake.jpg 151KB multiCake.jpg 151KB login_background.jpg 110KB login_background.jpg 110KB login_background.jpg 110KB chrisCake.jpg 81KB chrisCake.jpg 81KB chrisCake.jpg 81KB blackRose.jpg 71KB blackRose.jpg 71KB blackRose.jpg 71KB cherryCake.jpg 65KB cherryCake.jpg 65KB cherryCake.jpg 65KB log.jpg 64KB log.jpg 64KB log.jpg 64KB triangleCake.jpg 53KB triangleCake.jpg 53KB triangleCake.jpg 53KB purpleRose.jpg 47KB purpleRose.jpg 47KB purpleRose.jpg 47KB redRose.jpg 47KB redRose.jpg 47KB redRose.jpg 47KB yellowRose.jpg 42KB yellowRose.jpg 42KB yellowRose.jpg 42KB birthCake.jpg 41KB birthCake.jpg 41KB birthCake.jpg 41KB snackCake.jpg 39KB snackCake.jpg 39KB snackCake.jpg 39KB pinkRose.jpg 38KB pinkRose.jpg 38KB pinkRose.jpg 38KB blueRose.jpg 37KB blueRose.jpg 37KB blueRose.jpg 37KB greenRose.jpg 36KB greenRose.jpg 36KB greenRose.jpg 36KB whiteRose.jpg 33KB whiteRose.jpg 33KB whiteRose.jpg 33KB dogCake.jpg 29KB dogCake.jpg 29KB dogCake.jpg 29KB ShoppingCart_background.jpg 20KB ShoppingCart_background.jpg 20KB ShoppingCart_background.jpg 20KB共 155 条
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资源评论
Long_qyy2023-09-30这个商城项目做的真的很好，功能也十分完善，期待博主的下一次分享！！
