<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[荷年再相见的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/zp1318</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; zp1318]]></copyright><item><title><![CDATA[Struts2.5动态方法调用 错误Messages:This method: edit for action product is not allowed!解决方法]]></title><link>https://blog.youkuaiyun.com/zp1318/article/details/51581144</link><guid>https://blog.youkuaiyun.com/zp1318/article/details/51581144</guid><author>zp1318</author><pubDate>Fri, 03 Jun 2016 19:03:16 +0800</pubDate><description><![CDATA[报错信息如下：
Struts Problem Report
Struts has detected an unhandled exception:




Messages:

This method: edit for action product is not allowed!






Stack traces
This method: edit for ]]></description><category></category></item><item><title><![CDATA[CRC原理及其C语言、Java语言实现]]></title><link>https://blog.youkuaiyun.com/zp1318/article/details/51560244</link><guid>https://blog.youkuaiyun.com/zp1318/article/details/51560244</guid><author>zp1318</author><pubDate>Thu, 02 Jun 2016 00:24:52 +0800</pubDate><description><![CDATA[1.CRC简介

CRC（cyclical redundancy check) 循环冗余校验，在《计算机组成原理》里面有这个知识点。类似的校验有奇偶校验。

 

可以简单的理解成在发送数据后面加上这个验证码，判断前面数据是否正确。

 

根据需要的校验位数不同，有 CRC8、CRC16、CRC32、CRC128 ...再以后就不用这个乐，可以使用md5校验。

 
]]></description><category></category></item><item><title><![CDATA[Java语言实现CRC32校验]]></title><link>https://blog.youkuaiyun.com/zp1318/article/details/51560160</link><guid>https://blog.youkuaiyun.com/zp1318/article/details/51560160</guid><author>zp1318</author><pubDate>Wed, 01 Jun 2016 23:55:07 +0800</pubDate><description><![CDATA[源代码：
package crcNew;

public class CRC32 {
	private int crc;
	private String mx;

	public CRC32(String mx) {
		crc = 0x00000000;
		this.mx = mx;
		getCrc();
	}

	private void crc(byte data) {
		int p]]></description><category></category></item></channel></rss>