jsf【静态】页面的三级级联示例

package com.light.jsf.cascade.model; import java.util.ArrayList; import java.util.List; import javax.faces.model.SelectItem; public class TestBean { public TestBean() { super(); this.provinceList.add(new SelectItem("上海市", "上海市")); this.provinceList.add(new SelectItem("广东省", "广东省")); this.provinceList.add(new SelectItem("北京市", "北京市")); } private String province = ""; private String city = ""; private String area = ""; private List<SelectItem> provinceList = new ArrayList<SelectItem>(); private List<SelectItem> cityList = new ArrayList<SelectItem>(); private List<SelectItem> areaList = new ArrayList<SelectItem>(); private boolean checkCityFlag = true; private boolean checkAreaFlag = true; public boolean isCheckCityFlag() { return checkCityFlag; } public void setCheckCityFlag(boolean checkCityFlag) { this.checkCityFlag = checkCityFlag; } public boolean isCheckAreaFlag() { return checkAreaFlag; } public void setCheckAreaFlag(boolean checkAreaFlag) { this.checkAreaFlag = checkAreaFlag; } public String getProvince() { return province; } public void setProvince(String province) { this.province = province; } public String getCity() { return city; } public void setCity(String city) { this.city = city; } public String getArea() { return area; } public void setArea(String area) { this.area = area; } public void setProvinceList(List<SelectItem> provinceList) { this.provinceList = provinceList; } public List<SelectItem> getCityList() { return cityList; } public void setCityList(List<SelectItem> cityList) { this.cityList = cityList; } public List<SelectItem> getAreaList() { return areaList; } public void setAreaList(List<SelectItem> areaList) { this.areaList = areaList; } // 获取"省" public List<SelectItem> getProvinceList() { return provinceList; } // 加载"市" public String loadCityList() { this.checkCityFlag = false; this.checkAreaFlag = true; this.cityList.clear(); this.areaList.clear(); if (this.province.equals("上海市")) { this.cityList.add(new SelectItem("上海市", "上海市")); } if (this.province.equals("广东省")) { this.cityList.add(new SelectItem("广州市", "广州市")); this.cityList.add(new SelectItem("东莞市", "东莞市")); this.cityList.add(new SelectItem("汕头市", "汕头市")); this.cityList.add(new SelectItem("湛江市", "湛江市")); } if (this.province.equals("北京市")) { this.cityList.add(new SelectItem("北京市", "北京市")); } return null; } // 加载"区" public String loadAreaList() { this.checkAreaFlag = false; this.areaList.clear(); if (this.city.equals("上海市")) { this.areaList.add(new SelectItem("浦东区", "浦东区")); this.areaList.add(new SelectItem("长宁区", "长宁区")); this.areaList.add(new SelectItem("静安区", "静安区")); } if (this.city.equals("广州市")) { this.areaList.add(new SelectItem("天河区", "天河区")); this.areaList.add(new SelectItem("白云区", "白云区")); this.areaList.add(new SelectItem("越秀区", "越秀区")); } if (this.city.equals("东莞市")) { this.areaList.add(new SelectItem("莞城区", "莞城区")); this.areaList.add(new SelectItem("万江区", "万江区")); } if (this.city.equals("汕头市")) { this.areaList.clear(); } if (this.city.equals("湛江市")) { this.areaList.clear(); } if (this.city.equals("北京市")) { this.areaList.add(new SelectItem("东城区", "东城区")); this.areaList.add(new SelectItem("西城区", "西城区")); this.areaList.add(new SelectItem("宣武区", "宣武区")); this.areaList.add(new SelectItem("朝阳区", "朝阳区")); } return null; } }