| | |
| | | package com.ruoyi.common.utils;
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| | |
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| | | import java.io.IOException;
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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 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 com.ruoyi.common.core.text.Convert;
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| | |
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| | | /**
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| | | * 客户端工具类
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| | | * |
| | | * @author ruoyi
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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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| | | 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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| | |
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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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| | | * |
| | | * @param response 渲染对象
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| | | * @param string 待渲染的字符串
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| | | * @return null
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| | | */
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| | | public static String renderString(HttpServletResponse response, String string)
|
| | | {
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| | | try
|
| | | {
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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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| | | return null;
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| | | }
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| | |
|
| | | /**
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| | | * 是否是Ajax异步请求
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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.indexOf("application/json") != -1)
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| | | {
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| | | return true;
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| | | }
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| | |
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| | | String xRequestedWith = request.getHeader("X-Requested-With");
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| | | if (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1)
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| | | {
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| | | return true;
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| | | }
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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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| | |
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| | | String ajax = request.getParameter("__ajax");
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| | | if (StringUtils.inStringIgnoreCase(ajax, "json", "xml"))
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| | | {
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| | | return true;
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| | | }
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| | | return false;
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| | | }
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| | | }
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| | | package com.ruoyi.common.utils; |
| | | |
| | | import java.io.IOException; |
| | | 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.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 |
| | | * @return null |
| | | */ |
| | | public static String 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(); |
| | | } |
| | | return null; |
| | | } |
| | | |
| | | /** |
| | | * 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.indexOf("application/json") != -1) |
| | | { |
| | | return true; |
| | | } |
| | | |
| | | String xRequestedWith = request.getHeader("X-Requested-With"); |
| | | if (xRequestedWith != null && xRequestedWith.indexOf("XMLHttpRequest") != -1) |
| | | { |
| | | return true; |
| | | } |
| | | |
| | | String uri = request.getRequestURI(); |
| | | if (StringUtils.inStringIgnoreCase(uri, ".json", ".xml")) |
| | | { |
| | | return true; |
| | | } |
| | | |
| | | String ajax = request.getParameter("__ajax"); |
| | | if (StringUtils.inStringIgnoreCase(ajax, "json", "xml")) |
| | | { |
| | | return true; |
| | | } |
| | | return false; |
| | | } |
| | | } |