feenametag.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 FeeNameTag extends javax.servlet.jsp.tagext.TagSupport{

String showType = "select"; 
int feeId =1;

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

public void setFeeId(int aFeeId) {
	feeId = aFeeId;
}


/**
* 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
		FeeName fee = new FeeName();
		if(showType.equals("select1")){
			fee.query("feeId<20","feeId");	
			while(fee.next()== 1) {						
					pageContext.getOut().print("<option value=\"" + fee.getFeeId() + "\">" + fee.getFeeName() + "</option>");		
			}
		}else if(showType.equals("select2")){
			fee.query("feeId>20","feeId");	
			while(fee.next()== 1) {						
					pageContext.getOut().print("<option value=\"" + fee.getFeeId() + "\">" + fee.getFeeName() + "</option>");		
			}
		}else if(showType.equals("get1")){
			fee.query("feeId<20","feeId");
			while(fee.next()==1) {
				if(fee.getFeeId()==feeId)
					pageContext.getOut().print("<option value=\"" + fee.getFeeId() + "\"  selected>" + fee.getFeeName() + "</option>");
				else
					pageContext.getOut().print("<option value=\"" + fee.getFeeId() + "\">" + fee.getFeeName() + "</option>");
			}
		}else if(showType.equals("get2")){
			fee.query("feeId>20","feeId");
			while(fee.next()==1) {
				if(fee.getFeeId()==feeId)
					pageContext.getOut().print("<option value=\"" + fee.getFeeId() + "\"  selected>" + fee.getFeeName() + "</option>");
				else
					pageContext.getOut().print("<option value=\"" + fee.getFeeId() + "\">" + fee.getFeeName() + "</option>");
			}
		}else if(showType.equals("get")){
			fee.query("feeId="+feeId,"");
			while(fee.next()==1) {
				if(fee.getFeeId()==feeId)
					pageContext.getOut().print(fee.getFeeName());
				
			}
		}		
		return EVAL_BODY_INCLUDE;
	} catch (IOException e){
		throw new javax.servlet.jsp.JspException(e.getMessage());
	}
}

}