/**
* @author yzy
* 作為BaseAction 供其他Action 繼承， 其他Action 不需要寫execute(mapping, form, request, response)
* 方法，直接寫與mapping.getParameter()[struts-xml 的<action> 中parameter] 對應的 方法名(mapping, form, request, response)方法；
*
* 或者mapping.getPath()[struts-xml 的<action> 中path] 固定寫為 method_0，直接寫與mapping.getParameter()對應的
* 方法名（String ... str）方法
*/
@Override
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
actionForward = mapping.findForward("forward");
if("method_0".equals(mapping.getPath())){
method_0(mapping, form, request, response);
} else {
try {
// 正常Struts 方法名（ActionMapping mapping, ActionForm form,
// HttpServletRequest request, HttpServletResponse response）
this.getClass().getMethod(mapping.getParameter(), ActionMapping.class, ActionForm.class,
HttpServletRequest.class, HttpServletResponse.class).invoke(this, mapping, form, request, response);
} catch (Exception e) {
System.err.println("no serach method");
}
}
return actionForward;
}
/*
* 方法名（String ... str）
*/
private void method_0(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) {
String param = request.getQueryString();
String[] params = param.split("&");
int len = params.length;
Class[] classes = new Class[len - 1];
for(int i = 0; i < len; i++){
classes[i] = String.class;
}
try {
this.getClass().getMethod(mapping.getParameter(), classes).invoke(this, params);
} catch (Exception e) {
System.err.println("no serach method"); // str[] 可能參數個數不一致
}
}
posted on 2009-12-15 19:52
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