package com.zdcf.search.param; public class ThemeSearchParam extends SearchParam { private String theme; // 把所有参数拼接成参数串 public String getParamString() { StringBuffer sb = new StringBuffer(); if(null != this.getTheme()){ sb.append("&theme=").append(this.getTheme()); } return sb.toString(); } public String getTheme() { return theme; } public void setTheme(String theme) { this.theme = theme; } }