stringcomtag.java

来自「移动彩信管理平台」· Java 代码 · 共 111 行

package com.my7g.zj.mobile.mms.web.tag;

import java.io.IOException;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.tagext.BodyTagSupport;

/**
 * @author zhangyu
 *
 */
public class StringComTag extends BodyTagSupport {
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 8577436858020970840L;
	/**将手机号码中的号码隐藏
	 * 
	 */
	
	protected String name = null; 	//原始值
	private int begin = 0;			//开始位置
	private int length = 0;			//长度
	private String str = "*";		//替换字符
	private String color = null;	//替换颜色
	
	public String getColor() {
		return color;
	}


	public void setColor(String color) {
		this.color = color;
	}


	public int getBegin() {
		return begin;
	}


	public void setBegin(int begin) {
		this.begin = begin-1;
	}

	public int getLength() {
		return length;
	}


	public void setLength(int length) {
		this.length = length;
	}


	public String getName() {
		return name;
	}


	public void setName(String name) {
		this.name = name;
	}


	public String getStr() {
		return str;
	}


	public void setStr(String str) {
		this.str = str;
	}


	public int doStartTag() throws JspException{
	    // TODO Auto-generated method stub 
	    JspWriter out = pageContext.getOut();
	    try {
	    	if (getBegin() >= getName().length() || getBegin() < 0){
	    		out.append("起始长度超出范围");
	    		return (SKIP_BODY);
	    	}
	    	String finname = getName().substring(0, getBegin());
	    	if (getColor() != null || "null".equals(getColor()))
	    		finname += "<font color=" + getColor() + ">";
	    	
	    	setLength(getBegin() + getLength() > getName().length() ? getName().length() - getBegin() : getLength());
	    	
	    	for (int i = 0; i < length; i++) {
				finname += getStr();
			}
	    	if (getColor() != null || "null".equals(getColor()))
	    		finname += "</font>";
	    	
	    	if (getBegin() + getLength() <= getName().length()){
	    		finname += getName().substring(getBegin() + getLength());
	    	}
	        out.append(finname);
	        } catch (IOException e) {
	              // TODO Auto-generated catch block
	              e.printStackTrace();
	        }
	    
	    return (SKIP_BODY);
	  }

}