153 lines
3.7 KiB
Java
153 lines
3.7 KiB
Java
package cn.van333.wxsend.util.ip;
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import cn.hutool.core.convert.Convert;
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import cn.van333.wxsend.util.str.StringUtils;
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import org.springframework.web.context.request.RequestAttributes;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.io.IOException;
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/**
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* @author van
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* @version 1.0
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* msg：客户端工具类
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* @date 2022/3/29 14:56
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*/
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public class ServletUtils
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{
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/**
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* 获取String参数
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*/
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public static String getParameter(String name)
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{
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return getRequest().getParameter(name);
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}
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/**
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* 获取String参数
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*/
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public static String getParameter(String name, String defaultValue)
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{
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return Convert.toStr(getRequest().getParameter(name), defaultValue);
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}
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/**
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* 获取Integer参数
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*/
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public static Integer getParameterToInt(String name)
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{
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return Convert.toInt(getRequest().getParameter(name));
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}
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/**
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* 获取Integer参数
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*/
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public static Integer getParameterToInt(String name, Integer defaultValue)
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{
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return Convert.toInt(getRequest().getParameter(name), defaultValue);
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}
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/**
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* 获取Boolean参数
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*/
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public static Boolean getParameterToBool(String name)
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{
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return Convert.toBool(getRequest().getParameter(name));
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}
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/**
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* 获取Boolean参数
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*/
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public static Boolean getParameterToBool(String name, Boolean defaultValue)
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{
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return Convert.toBool(getRequest().getParameter(name), defaultValue);
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}
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/**
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* 获取request
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*/
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public static HttpServletRequest getRequest()
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{
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return getRequestAttributes().getRequest();
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}
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/**
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* 获取response
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*/
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public static HttpServletResponse getResponse()
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{
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return getRequestAttributes().getResponse();
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}
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/**
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* 获取session
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*/
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public static HttpSession getSession()
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{
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return getRequest().getSession();
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}
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public static ServletRequestAttributes getRequestAttributes()
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{
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RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
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return (ServletRequestAttributes) attributes;
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}
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/**
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* 将字符串渲染到客户端
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*
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* @param response 渲染对象
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* @param string 待渲染的字符串
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*/
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public static void renderString(HttpServletResponse response, String string)
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{
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try
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{
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response.setStatus(200);
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response.setContentType("application/json");
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response.setCharacterEncoding("utf-8");
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response.getWriter().print(string);
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}
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catch (IOException e)
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{
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e.printStackTrace();
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}
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}
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/**
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* 是否是Ajax异步请求
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*
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* @param request
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*/
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public static boolean isAjaxRequest(HttpServletRequest request)
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{
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String accept = request.getHeader("accept");
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if (accept != null && accept.contains("application/json"))
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{
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return true;
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}
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String xRequestedWith = request.getHeader("X-Requested-With");
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if (xRequestedWith != null && xRequestedWith.contains("XMLHttpRequest"))
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{
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return true;
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}
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String uri = request.getRequestURI();
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if (StringUtils.inStringIgnoreCase(uri, ".json", ".xml"))
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{
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return true;
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}
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String ajax = request.getParameter("__ajax");
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return StringUtils.inStringIgnoreCase(ajax, "json", "xml");
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}
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}
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