selectconst.java

这是本人做的投票系统的源码

package cn.hxex.vote.util;

import java.util.HashMap;
import java.util.Iterator;

public class SelectConst {
	public static final HashMap voteTypes;
	public static final HashMap picTypes;
	
	static { 
		voteTypes = new HashMap();
		voteTypes.put("checkbox", "多选");
		voteTypes.put("radio", "单选");
		
		picTypes = new HashMap();
		picTypes.put("PIE", "饼图");
		picTypes.put("BAR", "柱状图");
		picTypes.put("PIE3D", "3D饼图");
		picTypes.put("BAR3D", "3D柱状图");
	}
	
	/*输出投票类型的选项信息*/
	public static String getVoteTypeOptions(String defaultValue) {
		return getOptions(voteTypes, defaultValue);
	}
	
	/*将投票类型转换为显示信息*/
	public static String getVoteTypeTitle(String key) {
		return (String) voteTypes.get(key);
	}
	
	/*输出图形类型的选项信息*/
	public static String getPicTypeOptions(String defaultValue) {
		return getOptions(picTypes, defaultValue);
	}
	
	/*将图形类型转换为显示信息*/
	public static String getPicTypeTitle(String key) {
		return (String) picTypes.get(key);
	}
	
	/*将数据生成显示的<option>信息*/
	public static String getOptions(HashMap options, String defaultValue) {
		StringBuffer buf = new StringBuffer();
		
		Iterator keys = options.keySet().iterator();
		while (keys.hasNext()) {
			String key = (String) keys.next();
			buf.append("<option value=\"");
			buf.append(key);
			if (key.equals(defaultValue)) {
				buf.append("\" selected>");
			}
			else {
				buf.append("\" >");
			}
			buf.append(options.get(key));
			buf.append("</option>");
		}
		
		return buf.toString();
	}
}