checkstr.java

设备管理系统：三种管理员：普通员工、设备管理员、超级管理员。可进行设备添加删除维修等基本操作。运行此需要netbeans+sql2005

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package dba;

/**
 *
 * @author Sunyu
 */
public class Checkstr {
	public Checkstr(){}
	public String dostring(String str){
		str=str.replaceAll("&","&");
		str=str.replaceAll("<","&lt;");
	    str=str.replaceAll(">","&gt;");
	    str=str.replaceAll("'","");
	    str=str.replaceAll(";","");
	    str=str.replaceAll("--","");
	    str=str.replaceAll("/","");
	    str=str.replaceAll("%","");
	    System.out.println("ddddddd:"+("你好".length()));
		return str;
	}
}