提交 | 用户 | 时间
|
e57a89
|
1 |
package com.jcdm.common.utils; |
懒 |
2 |
|
|
3 |
import java.io.IOException; |
|
4 |
import java.io.UnsupportedEncodingException; |
|
5 |
import java.net.URLDecoder; |
|
6 |
import java.net.URLEncoder; |
|
7 |
import java.util.Collections; |
|
8 |
import java.util.HashMap; |
|
9 |
import java.util.Map; |
|
10 |
import javax.servlet.ServletRequest; |
|
11 |
import javax.servlet.http.HttpServletRequest; |
|
12 |
import javax.servlet.http.HttpServletResponse; |
|
13 |
import javax.servlet.http.HttpSession; |
|
14 |
import org.springframework.web.context.request.RequestAttributes; |
|
15 |
import org.springframework.web.context.request.RequestContextHolder; |
|
16 |
import org.springframework.web.context.request.ServletRequestAttributes; |
|
17 |
import com.jcdm.common.constant.Constants; |
|
18 |
import com.jcdm.common.core.text.Convert; |
|
19 |
|
|
20 |
/** |
|
21 |
* 客户端工具类 |
|
22 |
* |
|
23 |
* @author jc |
|
24 |
*/ |
|
25 |
public class ServletUtils |
|
26 |
{ |
|
27 |
/** |
|
28 |
* 获取String参数 |
|
29 |
*/ |
|
30 |
public static String getParameter(String name) |
|
31 |
{ |
|
32 |
return getRequest().getParameter(name); |
|
33 |
} |
|
34 |
|
|
35 |
/** |
|
36 |
* 获取String参数 |
|
37 |
*/ |
|
38 |
public static String getParameter(String name, String defaultValue) |
|
39 |
{ |
|
40 |
return Convert.toStr(getRequest().getParameter(name), defaultValue); |
|
41 |
} |
|
42 |
|
|
43 |
/** |
|
44 |
* 获取Integer参数 |
|
45 |
*/ |
|
46 |
public static Integer getParameterToInt(String name) |
|
47 |
{ |
|
48 |
return Convert.toInt(getRequest().getParameter(name)); |
|
49 |
} |
|
50 |
|
|
51 |
/** |
|
52 |
* 获取Integer参数 |
|
53 |
*/ |
|
54 |
public static Integer getParameterToInt(String name, Integer defaultValue) |
|
55 |
{ |
|
56 |
return Convert.toInt(getRequest().getParameter(name), defaultValue); |
|
57 |
} |
|
58 |
|
|
59 |
/** |
|
60 |
* 获取Boolean参数 |
|
61 |
*/ |
|
62 |
public static Boolean getParameterToBool(String name) |
|
63 |
{ |
|
64 |
return Convert.toBool(getRequest().getParameter(name)); |
|
65 |
} |
|
66 |
|
|
67 |
/** |
|
68 |
* 获取Boolean参数 |
|
69 |
*/ |
|
70 |
public static Boolean getParameterToBool(String name, Boolean defaultValue) |
|
71 |
{ |
|
72 |
return Convert.toBool(getRequest().getParameter(name), defaultValue); |
|
73 |
} |
|
74 |
|
|
75 |
/** |
|
76 |
* 获得所有请求参数 |
|
77 |
* |
|
78 |
* @param request 请求对象{@link ServletRequest} |
|
79 |
* @return Map |
|
80 |
*/ |
|
81 |
public static Map<String, String[]> getParams(ServletRequest request) |
|
82 |
{ |
|
83 |
final Map<String, String[]> map = request.getParameterMap(); |
|
84 |
return Collections.unmodifiableMap(map); |
|
85 |
} |
|
86 |
|
|
87 |
/** |
|
88 |
* 获得所有请求参数 |
|
89 |
* |
|
90 |
* @param request 请求对象{@link ServletRequest} |
|
91 |
* @return Map |
|
92 |
*/ |
|
93 |
public static Map<String, String> getParamMap(ServletRequest request) |
|
94 |
{ |
|
95 |
Map<String, String> params = new HashMap<>(); |
|
96 |
for (Map.Entry<String, String[]> entry : getParams(request).entrySet()) |
|
97 |
{ |
|
98 |
params.put(entry.getKey(), StringUtils.join(entry.getValue(), ",")); |
|
99 |
} |
|
100 |
return params; |
|
101 |
} |
|
102 |
|
|
103 |
/** |
|
104 |
* 获取request |
|
105 |
*/ |
|
106 |
public static HttpServletRequest getRequest() |
|
107 |
{ |
|
108 |
return getRequestAttributes().getRequest(); |
|
109 |
} |
|
110 |
|
|
111 |
/** |
|
112 |
* 获取response |
|
113 |
*/ |
|
114 |
public static HttpServletResponse getResponse() |
|
115 |
{ |
|
116 |
return getRequestAttributes().getResponse(); |
|
117 |
} |
|
118 |
|
|
119 |
/** |
|
120 |
* 获取session |
|
121 |
*/ |
|
122 |
public static HttpSession getSession() |
|
123 |
{ |
|
124 |
return getRequest().getSession(); |
|
125 |
} |
|
126 |
|
|
127 |
public static ServletRequestAttributes getRequestAttributes() |
|
128 |
{ |
|
129 |
RequestAttributes attributes = RequestContextHolder.getRequestAttributes(); |
|
130 |
return (ServletRequestAttributes) attributes; |
|
131 |
} |
|
132 |
|
|
133 |
/** |
|
134 |
* 将字符串渲染到客户端 |
|
135 |
* |
|
136 |
* @param response 渲染对象 |
|
137 |
* @param string 待渲染的字符串 |
|
138 |
*/ |
|
139 |
public static void renderString(HttpServletResponse response, String string) |
|
140 |
{ |
|
141 |
try |
|
142 |
{ |
|
143 |
response.setStatus(200); |
|
144 |
response.setContentType("application/json"); |
|
145 |
response.setCharacterEncoding("utf-8"); |
|
146 |
response.getWriter().print(string); |
|
147 |
} |
|
148 |
catch (IOException e) |
|
149 |
{ |
|
150 |
e.printStackTrace(); |
|
151 |
} |
|
152 |
} |
|
153 |
|
|
154 |
/** |
|
155 |
* 是否是Ajax异步请求 |
|
156 |
* |
|
157 |
* @param request |
|
158 |
*/ |
|
159 |
public static boolean isAjaxRequest(HttpServletRequest request) |
|
160 |
{ |
|
161 |
String accept = request.getHeader("accept"); |
|
162 |
if (accept != null && accept.contains("application/json")) |
|
163 |
{ |
|
164 |
return true; |
|
165 |
} |
|
166 |
|
|
167 |
String xRequestedWith = request.getHeader("X-Requested-With"); |
|
168 |
if (xRequestedWith != null && xRequestedWith.contains("XMLHttpRequest")) |
|
169 |
{ |
|
170 |
return true; |
|
171 |
} |
|
172 |
|
|
173 |
String uri = request.getRequestURI(); |
|
174 |
if (StringUtils.inStringIgnoreCase(uri, ".json", ".xml")) |
|
175 |
{ |
|
176 |
return true; |
|
177 |
} |
|
178 |
|
|
179 |
String ajax = request.getParameter("__ajax"); |
|
180 |
return StringUtils.inStringIgnoreCase(ajax, "json", "xml"); |
|
181 |
} |
|
182 |
|
|
183 |
/** |
|
184 |
* 内容编码 |
|
185 |
* |
|
186 |
* @param str 内容 |
|
187 |
* @return 编码后的内容 |
|
188 |
*/ |
|
189 |
public static String urlEncode(String str) |
|
190 |
{ |
|
191 |
try |
|
192 |
{ |
|
193 |
return URLEncoder.encode(str, Constants.UTF8); |
|
194 |
} |
|
195 |
catch (UnsupportedEncodingException e) |
|
196 |
{ |
|
197 |
return StringUtils.EMPTY; |
|
198 |
} |
|
199 |
} |
|
200 |
|
|
201 |
/** |
|
202 |
* 内容解码 |
|
203 |
* |
|
204 |
* @param str 内容 |
|
205 |
* @return 解码后的内容 |
|
206 |
*/ |
|
207 |
public static String urlDecode(String str) |
|
208 |
{ |
|
209 |
try |
|
210 |
{ |
|
211 |
return URLDecoder.decode(str, Constants.UTF8); |
|
212 |
} |
|
213 |
catch (UnsupportedEncodingException e) |
|
214 |
{ |
|
215 |
return StringUtils.EMPTY; |
|
216 |
} |
|
217 |
} |
|
218 |
} |