Struts2 +json+ jquery 实现三级联动.doc

action代码
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public class BindAction extends BaseAction{  
      
      
    public String bindPro(){  
        List<TDictProvince>list=();  
        if(()>0){  
            StringBuilder sb= new StringBuilder();  
              int size=();  
              ("[");   
              for (TDictProvince pro : list) {  
               size--;  
               ("{provinceid:/"");  
               (());  
               ("/",provincename:/"");  
               (());  
               ("/"}");  
               if(size>0){  
                (",");  
               }  
              }  
              ("]");  
              proString=();  
                
        }  
        return ESS;  
    }  
    public String bindCit() {  
        List<TDictCity>list=(proId);  
        if(()>0){  
            StringBuilder sb= new StringBuilder();  
              int size=();  
              ("[");   
              for (TDictCity pro : list) {  
               size--;  
               ("{cityid:/"");  
               (());  
               ("/",cityname:/"");