根据前端请求获取方法名、参数、路径等信息
//在一个方法里面如果想获取请求信息,需要从请求上下文获取request,或者在参数列表使用HttpServletRequest request
①在方法中获取请求上下文
// 接收到请求,记录请求内容
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
② 获取请求request
//接收到request
HttpServletRequest request = attributes.getRequest();
③获取参数
Map<String,Object> map = getParameterMap(request);
System.out.println("我是从Map参数获取的:"+Arrays.asList(map));
重点:getParameterMap 方法
/**
* 获取所有请求参数,封装为map对象
*
* @return
*/
public Map<String, Object> getParameterMap(HttpServletRequest request) {
if (request == null) {
return null;
}
Enumeration<String> enumeration = request.getParameterNames();
Map<String, Object> parameterMap = new HashMap<String, Object>();
StringBuilder stringBuilder = new StringBuilder();
while (enumeration.hasMoreElements()) {
String key = enumeration.nextElement();
String value = request.getParameter(key);
String keyValue = key + " : " + value + " ; ";
stringBuilder.append(keyValue);
parameterMap.put(key, value);
}
return parameterMap;
}
这样可以获取到所有信息