經過@PathVariabl註解獲取路徑中傳遞參數java
轉載請註明出處:springmvc請求接收參數的幾種方法spring
代碼下載地址:http://www.zuidaima.com/share/1751862044773376.htm
JAVAmvc
[java] view plaincopyapp
@RequestMapping(value= " /{id}/{str} " ) post
public ModelAndView helloWorld(@PathVariable String id, @PathVariable String str) { ui
System.out.println(id); spa
System.out.println(str); .net
return new ModelAndView( " /helloWorld " ); orm
} htm
用@ModelAttribute註解獲取POST請求的FORM表單數據
JSP
[java] view plaincopy
<form method="post" action="hao.do">
a: <input id="a" type="text" name="a"/>
b: <input id="b" type="text" name="b"/>
<input type="submit" value="Submit" />
</form>
JAVA pojo
[java] view plaincopy
public class Pojo{
private String a;
private int b;
JAVA controller
[java] view plaincopy
@RequestMapping(method= RequestMethod.POST)
public String processSubmit(@ModelAttribute( " pojo " ) Pojo pojo) {
return " helloWorld " ;
}
直接用HttpServletRequest獲取
JAVA
[java] view plaincopy
@RequestMapping(method= RequestMethod.GET)
public String get(HttpServletRequest request, HttpServletResponse response) {
System.out.println(request.getParameter( " a " ));
return " helloWorld " ;
}
用註解@RequestParam綁定請求參數a到變量a
當請求參數a不存在時會有異常發生,能夠經過設置屬性required=false解決,
例如: @RequestParam(value="a", required=false)
JAVA
[java] view plaincopy
@RequestMapping(value= " /requestParam " , method= RequestMethod.GET)
public String setupForm(@RequestParam( " a " ) String a, ModelMap model) {
System.out.println(a);
return " helloWorld " ;}