springmvc rest风格的实例代码demo讲解
2015-01-13 16:56
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rest风格的实例代码demo讲解
代码下载地址:http://www.zuidaima.com/share/1751863912057856.htm
Rest介绍
[java] view
plaincopy
/blog / HTTP GET => 得到id = 1的blog
/ blog / HTTP DELETE => 删除 id = 1的blog
/ blog / HTTP PUT => 更新id = 1的blog
/ blog HTTP POST => 新增BLOG
以下详细解一下spring rest使用.
首先,我们带着如下两个问题查看本文。
1.如何在java构造没有扩展名的RESTful url,如 /forms/1,而不是 /forms/1.do
2.浏览器的form标签不支持提交delete,put请求,如何曲线解决
springmvc rest 实现
springmvc的resturl是通过@RequestMapping 及@PathVariable annotation提供的,
通过如@RequestMapping(value="/blog /{id}",method=RequestMethod.DELETE)即可处理/blog/1 的delete请求.
[java] view
plaincopy
@RequestMapping(value=" /blog/{id} " ,method=RequestMethod.DELETE)
public ModelAndView delete(@PathVariable Long id,HttpServletRequest request,HttpServletResponse response) }
@RequestMapping @PathVariable如果URL中带参数,则配合使用,如
[java] view
plaincopy
@RequestMapping(value=" /blog/{blogId}/message/{msgId} " ,method=RequestMethod.DELETE)
public ModelAndView delete(@PathVariable( " blogId " ) Long blogId,@PathVariable( " msgId " ) Long msgId,HttpServletRequest request,HttpServletResponse response) }
1.springmvc web.xml配置
[java] view
plaincopy
<!-- 该servlet为tomcat,jetty等容器提供,将静态资源映射从/改为/static/目录,如原来访问 http://localhost/foo.css ,现在http://localhost/static/foo.css -->
<servlet-mapping>
<servlet-name> default </servlet-name>
<url-pattern> /static/* </url-pattern>
</servlet-mapping>
<servlet>
<servlet-name> springmvc </servlet-name>
<servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class>
<load-on-startup> </load-on-startup>
</servlet>
<!-- URL重写filter,用于将访问静态资源http://localhost/foo.css 转为http://localhost/static/foo.css -->
<filter>
<filter-name> UrlRewriteFilter </filter-name>
<filter-class> org.tuckey.web.filters.urlrewrite.UrlRewriteFilter </filter-class>
<init-param>
<param-name> confReloadCheckInterval </param-name>
<param-value> </param-value>
</init-param>
<init-param>
<param-name> logLevel </param-name>
<param-value> DEBUG </param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name> UrlRewriteFilter </filter-name>
<url-pattern> /* </url-pattern>
</filter-mapping>
<!-- 覆盖default servlet的/, springmvc servlet将处理原来处理静态资源的映射 -->
<servlet-mapping>
<servlet-name> springmvc </servlet-name>
<url-pattern> / </url-pattern>
</servlet-mapping>
<!-- 浏览器不支持put,delete等method,由该filter将/blog?_method=delete转换为标准的http delete方法 -->
<filter>
<filter-name> HiddenHttpMethodFilter </filter-name>
<filter-class> org.springframework.web.filter.HiddenHttpMethodFilter </filter-class>
</filter>
<filter-mapping>
<filter-name> HiddenHttpMethodFilter </filter-name>
<servlet-name> springmvc </servlet-name>
</filter-mapping>
2.webapp/WEB-INF/springmvc-servlet.xml配置,使用如下两个class激活@RequestMapping annotation
[java] view
plaincopy
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
3.Controller编写
[java] view
plaincopy
/***/ */
@Controller
@RequestMapping( " /userinfo " )
public class UserInfoController extends BaseSpringController }
[java] view
plaincopy
/userinfo => index()
/userinfo/new => _new()
/userinfo/{id} => show()
/userinfo/{id}/edit => edit()
/userinfo POST => create()
/userinfo/{id} PUT => update()
/userinfo/{id} DELETE => delete()
/userinfo DELETE => batchDelete()
注(不使用 /userinfo/add => add() 方法是由于add这个方法会被maxthon浏览器当做广告链接过滤掉,因为包含ad字符)
4.jsp 编写
[java] view
plaincopy
<form:form action="${ctx}/userinfo${userInfo.userId}" method="put">
</form:form>
生成的html内容如下, 生成一个hidden的_method=put,并于web.xml中的HiddenHttpMethodFilter配合使用,在服务端将post请求改为put请求
[java] view
plaincopy
<form id="userInfo" action="/springmvc_rest_demo/userinfo/2" method="post">
<input type="hidden" name="_method" value="put" />
</form>
另外一种方法是你可以使用ajax发送put,delete请求.
5.静态资源的URL重写
如上我们描述,现因为将default servlet映射至/static/的子目录,现我们访问静态资源将会带一个/static/前缀.
如 /foo.gif, 现在访问该文件将是 /static/foo.gif.
那如何避免这个前缀呢,那就是应用URL rewrite,现我们使用 http://tuckey.org/urlrewrite/, 重写规则如下
[java] view
plaincopy
<urlrewrite>
<!-- 访问jsp及jspx将不rewrite url,其它.js,.css,.gif等将重写,如 /foo.gif => /static/foo.gif -->
<rule>
<condition operator="notequal" next="and" type="request-uri">.*.jsp </condition>
<condition operator="notequal" next="and" type="request-uri"> .*.jspx </condition>
<from> ^(/.*\..*)$ </from>
<to> /static$1 </to>
</rule>
</urlrewrite>
原创不易,转载请注明出处:springmvc
rest风格的实例代码demo讲解
代码下载地址:http://www.zuidaima.com/share/1751863912057856.htm
Rest介绍
[java] view
plaincopy
/blog / HTTP GET => 得到id = 1的blog
/ blog / HTTP DELETE => 删除 id = 1的blog
/ blog / HTTP PUT => 更新id = 1的blog
/ blog HTTP POST => 新增BLOG
以下详细解一下spring rest使用.
首先,我们带着如下两个问题查看本文。
1.如何在java构造没有扩展名的RESTful url,如 /forms/1,而不是 /forms/1.do
2.浏览器的form标签不支持提交delete,put请求,如何曲线解决
springmvc rest 实现
springmvc的resturl是通过@RequestMapping 及@PathVariable annotation提供的,
通过如@RequestMapping(value="/blog /{id}",method=RequestMethod.DELETE)即可处理/blog/1 的delete请求.
[java] view
plaincopy
@RequestMapping(value=" /blog/{id} " ,method=RequestMethod.DELETE)
public ModelAndView delete(@PathVariable Long id,HttpServletRequest request,HttpServletResponse response) }
@RequestMapping @PathVariable如果URL中带参数,则配合使用,如
[java] view
plaincopy
@RequestMapping(value=" /blog/{blogId}/message/{msgId} " ,method=RequestMethod.DELETE)
public ModelAndView delete(@PathVariable( " blogId " ) Long blogId,@PathVariable( " msgId " ) Long msgId,HttpServletRequest request,HttpServletResponse response) }
1.springmvc web.xml配置
[java] view
plaincopy
<!-- 该servlet为tomcat,jetty等容器提供,将静态资源映射从/改为/static/目录,如原来访问 http://localhost/foo.css ,现在http://localhost/static/foo.css -->
<servlet-mapping>
<servlet-name> default </servlet-name>
<url-pattern> /static/* </url-pattern>
</servlet-mapping>
<servlet>
<servlet-name> springmvc </servlet-name>
<servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class>
<load-on-startup> </load-on-startup>
</servlet>
<!-- URL重写filter,用于将访问静态资源http://localhost/foo.css 转为http://localhost/static/foo.css -->
<filter>
<filter-name> UrlRewriteFilter </filter-name>
<filter-class> org.tuckey.web.filters.urlrewrite.UrlRewriteFilter </filter-class>
<init-param>
<param-name> confReloadCheckInterval </param-name>
<param-value> </param-value>
</init-param>
<init-param>
<param-name> logLevel </param-name>
<param-value> DEBUG </param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name> UrlRewriteFilter </filter-name>
<url-pattern> /* </url-pattern>
</filter-mapping>
<!-- 覆盖default servlet的/, springmvc servlet将处理原来处理静态资源的映射 -->
<servlet-mapping>
<servlet-name> springmvc </servlet-name>
<url-pattern> / </url-pattern>
</servlet-mapping>
<!-- 浏览器不支持put,delete等method,由该filter将/blog?_method=delete转换为标准的http delete方法 -->
<filter>
<filter-name> HiddenHttpMethodFilter </filter-name>
<filter-class> org.springframework.web.filter.HiddenHttpMethodFilter </filter-class>
</filter>
<filter-mapping>
<filter-name> HiddenHttpMethodFilter </filter-name>
<servlet-name> springmvc </servlet-name>
</filter-mapping>
2.webapp/WEB-INF/springmvc-servlet.xml配置,使用如下两个class激活@RequestMapping annotation
[java] view
plaincopy
<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/>
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
3.Controller编写
[java] view
plaincopy
/***/ */
@Controller
@RequestMapping( " /userinfo " )
public class UserInfoController extends BaseSpringController }
[java] view
plaincopy
/userinfo => index()
/userinfo/new => _new()
/userinfo/{id} => show()
/userinfo/{id}/edit => edit()
/userinfo POST => create()
/userinfo/{id} PUT => update()
/userinfo/{id} DELETE => delete()
/userinfo DELETE => batchDelete()
注(不使用 /userinfo/add => add() 方法是由于add这个方法会被maxthon浏览器当做广告链接过滤掉,因为包含ad字符)
4.jsp 编写
[java] view
plaincopy
<form:form action="${ctx}/userinfo${userInfo.userId}" method="put">
</form:form>
生成的html内容如下, 生成一个hidden的_method=put,并于web.xml中的HiddenHttpMethodFilter配合使用,在服务端将post请求改为put请求
[java] view
plaincopy
<form id="userInfo" action="/springmvc_rest_demo/userinfo/2" method="post">
<input type="hidden" name="_method" value="put" />
</form>
另外一种方法是你可以使用ajax发送put,delete请求.
5.静态资源的URL重写
如上我们描述,现因为将default servlet映射至/static/的子目录,现我们访问静态资源将会带一个/static/前缀.
如 /foo.gif, 现在访问该文件将是 /static/foo.gif.
那如何避免这个前缀呢,那就是应用URL rewrite,现我们使用 http://tuckey.org/urlrewrite/, 重写规则如下
[java] view
plaincopy
<urlrewrite>
<!-- 访问jsp及jspx将不rewrite url,其它.js,.css,.gif等将重写,如 /foo.gif => /static/foo.gif -->
<rule>
<condition operator="notequal" next="and" type="request-uri">.*.jsp </condition>
<condition operator="notequal" next="and" type="request-uri"> .*.jspx </condition>
<from> ^(/.*\..*)$ </from>
<to> /static$1 </to>
</rule>
</urlrewrite>
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