SpringMVC(三)HiddenHttpMethodFilter
来源:互联网 发布:行知学园保证班 编辑:程序博客网 时间:2024/06/01 07:58
public class HiddenHttpMethodFilter extends OncePerRequestFilter {
public static final String DEFAULT_METHOD_PARAM = "_method";
private String methodParam = DEFAULT_METHOD_PARAM;
public void setMethodParam(String methodParam) {
Assert.hasText(methodParam, "'methodParam' must not be empty");
this.methodParam = methodParam;
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
String paramValue = request.getParameter(this.methodParam);
if ("POST".equals(request.getMethod()) && StringUtils.hasLength(paramValue)) {
String method = paramValue.toUpperCase(Locale.ENGLISH);
HttpServletRequest wrapper = new HttpMethodRequestWrapper(request, method);
filterChain.doFilter(wrapper, response);
}
else {
filterChain.doFilter(request, response);
}
public static final String DEFAULT_METHOD_PARAM = "_method";
private String methodParam = DEFAULT_METHOD_PARAM;
public void setMethodParam(String methodParam) {
Assert.hasText(methodParam, "'methodParam' must not be empty");
this.methodParam = methodParam;
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
String paramValue = request.getParameter(this.methodParam);
if ("POST".equals(request.getMethod()) && StringUtils.hasLength(paramValue)) {
String method = paramValue.toUpperCase(Locale.ENGLISH);
HttpServletRequest wrapper = new HttpMethodRequestWrapper(request, method);
filterChain.doFilter(wrapper, response);
}
else {
filterChain.doFilter(request, response);
}
}
从以上代码可以看出:获取String paramValue = request.getParameter(this.methodParam);参数,并将post请求转发为该参数对应的值的请求方式。
web.xml增加如下配置:
1、配置HiddenHttpMethodFilter过滤器
2、发送post请求
3、发送post请求是,需要携带如下格式参数:_method=delete
<!-- 配置HiddenHttpMethodFilter过滤器,可以将post或者get请求(post和get请求需要带一个参数:_method才可以完成请求转发),转发为put或者delete请求
为什么这么配:实现rest风格架构,
put对应更新
get对应获取
delete对应删除
post对应新增
等等。
-->
<filter>
<filter-name>hiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>hiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
0 0
- SpringMVC(三)HiddenHttpMethodFilter
- SpringMVC-HiddenHttpMethodFilter
- springmvc HiddenHttpMethodFilter
- SpringMVC学习(三)-HiddenHttpMethodFilter过滤器&RequestParam注解&CookieValue注解
- SpringMVC之HiddenHttpMethodFilter 过滤器
- SpringMVC 过滤器HiddenHttpMethodFilter
- SpringMVC HiddenHttpMethodFilter的使用
- HiddenHttpMethodFilter过滤器—SpringMVC
- SpringMVC学习(4): HiddenHttpMethodFilter
- HiddenHttpMethodFilter
- springMVC------Rest风格,HiddenHttpMethodFilter的作用
- springmvc-5,HiddenHttpMethodFilter过滤器的作用
- 每日一则JavaWeb---SpringMVC的HiddenHttpMethodFilter过滤器
- springmvc项目3-HiddenHttpMethodFilter与REST风格增删改查
- SpringMVC -- @PathVariable/Rest风格的URL HiddenHttpMethodFilter (2)
- springMVC笔记系列(7)——HiddenHttpMethodFilter过滤器
- SpringMVC用HiddenHttpMethodFilter配置Rest风格的URL
- springMVC三
- 数据库
- Java多线程系列-Future
- Java_提示框(JOptionPane)
- 关于InnoDB事务的一个“诡异”现象:RR隔离级别下的幻读现象(补充)
- Object类有哪些公用方法?
- SpringMVC(三)HiddenHttpMethodFilter
- SAP Activate方法论
- PyCharm安装selenium模块实现selenium自动化测试
- JavaScript中的数组、字符串和数学函数
- 纯js实现html转pdf
- javascript 值得注意的一些问题
- C语言字符串转long long例程atoll()及long long打印
- 蓝桥杯 买不到的数目
- JavaScript之闭包、定时器