wearhousetag.java

(Java+SQL)-大型企业JAVA的ERP系统

package tld;

import javax.servlet.jsp.JspException;
import java.io.IOException;
import src.wuyang.*;

public class WearhouseTag extends javax.servlet.jsp.tagext.TagSupport{

String showType = "select"; 

public void setShowType(String aShowType) {
	showType = aShowType.toLowerCase(); // 变为小写
}

/**
* Executes when the tag is started.
*/
public int doStartTag() throws JspException {
	return SKIP_BODY;
}

/**
* Executed with the end tag.
*/
public int doEndTag() throws JspException {
	try {
		//pageContext.getOut().print("<h2>Hello from doStartTag()</h2>");
		// Allowtext in the body of the tag
		Wearhouse wearhouse = new Wearhouse();
		if(showType.equals("select")){
		        wearhouse.query("","");	
			pageContext.getOut().print("<option value=\"" + "\">" + " " + "</option>");	
			int first = -1;		
			while(wearhouse.next()== 1 ) {
				int second = (new Integer(wearhouse.getWearhouseId())).intValue();
				if(showType.equals("select")&&(second != first)){
					pageContext.getOut().print("<option value=\"" + wearhouse.getWearhouseId() + "\">" + wearhouse.getWearhouseName() + "</option>");
				}
				first = second;
			}
		} else if(showType.equals("get")){
		        wearhouse.query("","");		
			pageContext.getOut().print("<option value=\"" + "\">" + " " + "</option>");			        
			while(wearhouse.next()== 1 ) {		        		
			     pageContext.getOut().print("<option value=\"" + wearhouse.getWearhouseId() + "\">" + wearhouse.getWearhouseName() + "</option>");
                        }			     
		}

		//String all= "所有";
		//System.out.println("*all "+all);
		//String chnAll= new String (all.getBytes("8859_1"));
		//System.out.println("*chnall "+chnAll);

		return EVAL_BODY_INCLUDE;
	} catch (IOException e){
		throw new javax.servlet.jsp.JspException(e.getMessage());
	}
}

}