@RequestMapping 詳解:
package home.dong.springmvc;
import javax.servlet.http.HttpServletRequest;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
//@RequestMapping(
//value="/method-level", 請求路徑，繼承類級別。若類級別也有@RequestMapping("/class-level"),則請求路徑爲 /class-level/method-level
//method=RequestMethod.GET, RequestMethod 中 GET, HEAD, POST, PUT, DELETE, OPTIONS, TRACE 的一個
//params="abc", 請求路徑中是否含有該參數 支持 param =“！abc”(不含) 。
//headers="" 請求頭信息)
//public String method(){
//
//}
/**
*
* @RequestMapping(value="/xxx",)
* @author tiger
*
*/
@Controller
public class MappingPathController {
@RequestMapping("/mapping/path")
public @ResponseBody
String byPath() {
return "Mapped by path!";
}
@RequestMapping(value = "/mapping/method", method = RequestMethod.GET)
public @ResponseBody
String byMethod() {
return "00000000Mapped by path + method";
}
/**
* 請求路徑中含有參數名爲foo的，則調用次方法， 如 http://localhost:8080/application_name/mapping/parameter?foo=abc
* @return
*/
@RequestMapping(value = "/mapping/parameter", method = RequestMethod.GET, params = "foo")
public @ResponseBody
String byParameter() {
return "Mapped by path + method + presence of query parameter! <h4>Parameter name = foo</h4>";
}
/**
* 請求路徑中不含有參數名爲foo的，則調用次方法， 如 http://localhost:8080/application_name/mapping/parameter?abc=cde
* @return
*/
@RequestMapping(value = "/mapping/parameter", method = RequestMethod.GET, params = "!foo")
public @ResponseBody
String byParameterNegation() {
return "2222222Mapped by path + method + not presence of query parameter!";
}
/**
* 請求路徑中，請求頭信息含有“Accept=text/plain”,則調用次方法。
*
* request.getHeader(request.getHeaderNames()[i] = value);
* request.getHeaderNames()可取得請求頭信息中的所有鍵值。
* @param request
* @return
*/
// headers可以是下列鍵值中的任意一個
// Host= localhost:8080
// User-Agent = Mozilla/5.0 (X11; Linux i686; rv:6.0) Gecko/20100101 Firefox/6.0
// Accept= text/plain, */*; q=0.01
// Accept-Language = en-us,zh-cn;q=0.7,en;q=0.3
// Accept-Encoding = gzip, deflate
// Accept-Charset = ISO-8859-1,utf-8;q=0.7,*;q=0.7
// Connection = keep-alive
// X-Requested-With = XMLHttpRequest
// Referer = http://localhost:8080/Lesson1_SpringMVC/simple/simpleGet
// Cookie = JSESSIONID=882CC34288A3B84455E0A54D654E4FA5
//
@RequestMapping(value = "/mapping/header", method = RequestMethod.GET, headers = "Accept=text/plain")
public @ResponseBody
String byHeader(HttpServletRequest request) {
return "33333333Mapped by path + method + presence of header!";
}
/**
* 請求路徑中，請求頭信息不含有“!FooHeader”,則調用次方法。
* @param request
* @return
*/
@RequestMapping(value = "/mapping/notheader", method = RequestMethod.GET, headers = "!FooHeader")
public @ResponseBody
String byHeaderNegation(HttpServletRequest request) {
request.getHeader("Accept");
return "444444444Mapped by path + method + not presence header!";
}
/**
* 如請求路徑不能找到匹配時，則調用次方法。 如 http://localhost:8080/application_name/mapping/abc_path
* @param request
* @return
*/
@RequestMapping(value = "/mapping/*", method = RequestMethod.GET)
public @ResponseBody
String regexp(HttpServletRequest request) {
return "555555555Mapped by regexp!";
}
}
JSP:
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link href="<c:url value="/resources/form.css" />" rel="stylesheet" type="text/css" />
<link href="<c:url value="/resources/jqueryui/1.8/themes/base/jquery.ui.all.css" />" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="<c:url value="/resources/jquery/1.6/jquery.js" />"></script>
<script type="text/javascript" src="<c:url value="/resources/jqueryform/2.8/jquery.form.js" />"></script>
<script type="text/javascript" src="<c:url value="/resources/jqueryui/1.8/jquery.ui.core.js" />"></script>
<script type="text/javascript" src="<c:url value="/resources/jqueryui/1.8/jquery.ui.widget.js" />"></script>
<script type="text/javascript" src="<c:url value="/resources/jqueryui/1.8/jquery.ui.tabs.js" />"></script>
<script type="text/javascript" src="<c:url value="/resources/json2.js" />"></script>
<title>Spring 3 MVC</title>
<script type="text/javascript">
MvcUtil = {};
MvcUtil.showSuccessResponse = function(text, element) {
MvcUtil.showResponse("success", text, element);
};
MvcUtil.showErrorResponse = function showErrorResponse(text, element) {
MvcUtil.showResponse("error", text, element);
};
MvcUtil.showResponse = function(type, text, element) {
var responseElementId = element.attr("id") + "Response";
var responseElement = $("#" + responseElementId);
if (responseElement.length == 0) {
responseElement = $(
'<span id="' + responseElementId + '" class="' + type + '" style="display:none">'
+ text + '</span>').insertAfter(element);
} else {
responseElement
.replaceWith('<span id="' + responseElementId + '" class="' + type + '" style="display:none">'
+ text + '</span>');
responseElement = $("#" + responseElementId);
}
responseElement.fadeIn("slow");
};
MvcUtil.xmlencode = function(xml) {
//for IE
var text;
if (window.ActiveXObject) {
text = xml.xml;
}
// for Mozilla, Firefox, Opera, etc.
else {
text = (new XMLSerializer()).serializeToString(xml);
}
return text.replace(/\&/g, '&' + 'amp;').replace(/</g, '&' + 'lt;')
.replace(/>/g, '&' + 'gt;').replace(/\'/g, '&' + 'apos;')
.replace(/\"/g, '&' + 'quot;');
};
</script>
<script type="text/javascript">
$(document).ready(function() {
$("a[class=textLink]").click(function() {
var link = $(this);
$.ajax({
url : link.attr("href"),
dataType : "text",
success : function(text) {
MvcUtil.showSuccessResponse(text, link);
},
error : function(xhr) {
MvcUtil.showErrorResponse(xhr.responseText, link);
}
});
return false;
});
});
</script>
</head>
<body>
this is simple page!
<ul>
<li><a id="byPath" href="<c:url value="/mapping/path" />">By path</a></li>
<li><a id="byMethod" href="<c:url value="/mapping/method" />">By path and method</a></li>
<li><a id="byParameter" href="<c:url value="/mapping/parameter?foo=fee" />">By path, method, and presence of parameter</a></li>
<li><a id="byNotParameter" href="<c:url value="/mapping/parameter?bar=foo" />">By path, method, and not presence of parameter</a></li>
<li><a id="byHeader" class="textLink" href="<c:url value="/mapping/header" />">By presence of header</a></li>
<li><a id="byHeaderNegation" class="textLink" href="<c:url value="/mapping/notheader" />">By not presence of header</a></li>
<li><a id="byWildcard" class="textLink" href="<c:url value="/mapping/sss" />">By regexp</a></li>
</ul>
</body>
</html>