From 5d7b65670282a4fad015e37d567cfa171b162052 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期二, 20 五月 2025 12:25:19 +0800
Subject: [PATCH] 基础代码
---
pt-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java | 218 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 218 insertions(+), 0 deletions(-)
diff --git a/pt-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java b/pt-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java
new file mode 100644
index 0000000..febb603
--- /dev/null
+++ b/pt-common/src/main/java/com/ruoyi/common/utils/ServletUtils.java
@@ -0,0 +1,218 @@
+package com.ruoyi.common.utils;
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import javax.servlet.ServletRequest;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import org.springframework.web.context.request.RequestAttributes;
+import org.springframework.web.context.request.RequestContextHolder;
+import org.springframework.web.context.request.ServletRequestAttributes;
+import com.ruoyi.common.constant.Constants;
+import com.ruoyi.common.core.text.Convert;
+
+/**
+ * 客户端工具类
+ *
+ * @author ruoyi
+ */
+public class ServletUtils
+{
+ /**
+ * 获取String参数
+ */
+ public static String getParameter(String name)
+ {
+ return getRequest().getParameter(name);
+ }
+
+ /**
+ * 获取String参数
+ */
+ public static String getParameter(String name, String defaultValue)
+ {
+ return Convert.toStr(getRequest().getParameter(name), defaultValue);
+ }
+
+ /**
+ * 获取Integer参数
+ */
+ public static Integer getParameterToInt(String name)
+ {
+ return Convert.toInt(getRequest().getParameter(name));
+ }
+
+ /**
+ * 获取Integer参数
+ */
+ public static Integer getParameterToInt(String name, Integer defaultValue)
+ {
+ return Convert.toInt(getRequest().getParameter(name), defaultValue);
+ }
+
+ /**
+ * 获取Boolean参数
+ */
+ public static Boolean getParameterToBool(String name)
+ {
+ return Convert.toBool(getRequest().getParameter(name));
+ }
+
+ /**
+ * 获取Boolean参数
+ */
+ public static Boolean getParameterToBool(String name, Boolean defaultValue)
+ {
+ return Convert.toBool(getRequest().getParameter(name), defaultValue);
+ }
+
+ /**
+ * 获得所有请求参数
+ *
+ * @param request 请求对象{@link ServletRequest}
+ * @return Map
+ */
+ public static Map<String, String[]> getParams(ServletRequest request)
+ {
+ final Map<String, String[]> map = request.getParameterMap();
+ return Collections.unmodifiableMap(map);
+ }
+
+ /**
+ * 获得所有请求参数
+ *
+ * @param request 请求对象{@link ServletRequest}
+ * @return Map
+ */
+ public static Map<String, String> getParamMap(ServletRequest request)
+ {
+ Map<String, String> params = new HashMap<>();
+ for (Map.Entry<String, String[]> entry : getParams(request).entrySet())
+ {
+ params.put(entry.getKey(), StringUtils.join(entry.getValue(), ","));
+ }
+ return params;
+ }
+
+ /**
+ * 获取request
+ */
+ public static HttpServletRequest getRequest()
+ {
+ return getRequestAttributes().getRequest();
+ }
+
+ /**
+ * 获取response
+ */
+ public static HttpServletResponse getResponse()
+ {
+ return getRequestAttributes().getResponse();
+ }
+
+ /**
+ * 获取session
+ */
+ public static HttpSession getSession()
+ {
+ return getRequest().getSession();
+ }
+
+ public static ServletRequestAttributes getRequestAttributes()
+ {
+ RequestAttributes attributes = RequestContextHolder.getRequestAttributes();
+ return (ServletRequestAttributes) attributes;
+ }
+
+ /**
+ * 将字符串渲染到客户端
+ *
+ * @param response 渲染对象
+ * @param string 待渲染的字符串
+ */
+ public static void renderString(HttpServletResponse response, String string)
+ {
+ try
+ {
+ response.setStatus(200);
+ response.setContentType("application/json");
+ response.setCharacterEncoding("utf-8");
+ response.getWriter().print(string);
+ }
+ catch (IOException e)
+ {
+ e.printStackTrace();
+ }
+ }
+
+ /**
+ * 是否是Ajax异步请求
+ *
+ * @param request
+ */
+ public static boolean isAjaxRequest(HttpServletRequest request)
+ {
+ String accept = request.getHeader("accept");
+ if (accept != null && accept.contains("application/json"))
+ {
+ return true;
+ }
+
+ String xRequestedWith = request.getHeader("X-Requested-With");
+ if (xRequestedWith != null && xRequestedWith.contains("XMLHttpRequest"))
+ {
+ return true;
+ }
+
+ String uri = request.getRequestURI();
+ if (StringUtils.inStringIgnoreCase(uri, ".json", ".xml"))
+ {
+ return true;
+ }
+
+ String ajax = request.getParameter("__ajax");
+ return StringUtils.inStringIgnoreCase(ajax, "json", "xml");
+ }
+
+ /**
+ * 内容编码
+ *
+ * @param str 内容
+ * @return 编码后的内容
+ */
+ public static String urlEncode(String str)
+ {
+ try
+ {
+ return URLEncoder.encode(str, Constants.UTF8);
+ }
+ catch (UnsupportedEncodingException e)
+ {
+ return StringUtils.EMPTY;
+ }
+ }
+
+ /**
+ * 内容解码
+ *
+ * @param str 内容
+ * @return 解码后的内容
+ */
+ public static String urlDecode(String str)
+ {
+ try
+ {
+ return URLDecoder.decode(str, Constants.UTF8);
+ }
+ catch (UnsupportedEncodingException e)
+ {
+ return StringUtils.EMPTY;
+ }
+ }
+}
--
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