web.xml文件配置的参考代码
1.<?xml version="1.0" encoding="UTF-8"?>
2.<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee"
3.xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4.xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
5.http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
6.<!-- 对改WEB应用进行描述 -->
7.<description>Test</description>
8.<!-- 显示 -->
9.<display-name>Test</display-name>
10.<!-- 定义全局变量 -->
11.<context-param>
12.<!-- 描述符 -->
13. <description>context param</description>
14. <!-- 参数 -->
15. <param-name>encoding</param-name>
16. <!-- 参数值 -->
17. <param-value>UTF-8</param-value>
18.</context-param>
19.
20.<!-- 定义网站的字符编码方式 -->
21.<locale-encoding-mapping-list>
22. <locale-encoding-mapping>
23. <locale>zh</locale>
24. <encoding>gb2312</encoding>
25. </locale-encoding-mapping>
26.</locale-encoding-mapping-list>
27.
28.<!-- 定义过滤器 -->
29.<filter>
30.<filter-name>testFilter</filter-name>
31.<filter-class>com.jonw.filter.TestFilter</filter-class>
32.<!-- 局部变量，只适用此Filter -->
33.<init-param>
34.<param-name>encoding</param-name>
35.<param-value>UTF-8</param-value>
36.</init-param>
37.</filter>
38.<filter-mapping>
39.<filter-name>testFilter</filter-name>
40.<url-pattern>/*</url-pattern>
41.</filter-mapping>
42.<!-- 定义一个监听器 -->
43.<listener>
44.<listener-class>com.jonw.listener.TestListener</listener-class>
45.</listener>
46.<!-- 定义一个验证用户登录的Servlet -->
47.<servlet>
48.<servlet-name>login</servlet-name>
49.<servlet-class>com.jonw.servlet.UserLogin</servlet-class>
50.</servlet>
51.<servlet-mapping>
52.<servlet-name>login</servlet-name>
53.<url-pattern>/login.do</url-pattern>
54.</servlet-mapping>
55.<!-- WEB应用的默认主页 -->
56.<welcome-file-list>
57. <welcome-file>index.jsp</welcome-file>
58.</welcome-file-list>
59.<!-- 声明数据源,此数据源放在META-INF文件夹下 -->
60.<resource-ref>
61. <description>DataSource</description>
62. <res-ref-name>Jdbc/Connection</res-ref-name>
63. <res-type>javax.sql.DataSource</res-type>
64. <res-auth>Container</res-auth>
65.</resource-ref>
66.<!-- 定义Session的超时时间,在这里定义一分钟 -->
67.<session-config>
68. <session-timeout>30</session-timeout>
69.</session-config>
70.<!-- 设置JSP的各属性 -->
71.<jsp-config>
72. <jsp-property-group>
73. <!-- 应用范围 -->
74. <url-pattern>/*</url-pattern>
75. <!-- 是否支持EL表达式 -->
76. <el-ignored>false</el-ignored>
77. <!-- 是否技技页面JAVA代码 -->
78. <scripting-invalid>false</scripting-invalid>
79. </jsp-property-group>
80.</jsp-config>
81.<!-- 定义页面没找到时，由容器指向哪个页面 -->
82.<error-page>
83. <error-code>404</error-code>
84. <location>/without.jsp</location>
85.</error-page>
86.<!--定义整个WEB应用出现空指向异常所指向哪个页面-->
87.<error-page>
88. <exception-type>java.lang.NullPointerException</exception-type>
89. <location>/null.jsp</location>
90.</error-page>
91.<!-- 设置整个WEB站点的图标，即浏览器URL左边的图标 -->
92.<icon>
93. <!-- 大图标 -->
94. <small-icon>/images/small.jpg</small-icon>
95. <!-- 小图标 -->
96. <large-icon>/images/large.jpg</large-icon>
97.</icon>
98.<!-- 避免浏览器打开以下格式的文件。 -->
99.<mime-mapping>
100. <extension>xls</extension>
101. <mime-type>application/msexcel</mime-type>
102.</mime-mapping>
103.<mime-mapping>
104. <extension>doc</extension>
105. <mime-type>application/msword</mime-type>
106.</mime-mapping>
107.<!-- WEB应用安全的配置 -->
108.<security-constraint>
109. <!-- 显示 -->
110. <display-name>security realm</display-name>
111. <!-- 安全方式 -->
112. <web-resource-collection>
113. <!-- 可以吓写，不用管 -->
114. <web-resource-name>all role access</web-resource-name>
115. <!-- 应用WEB应用的所有文件 -->
116. <url-pattern>/*</url-pattern>
117. <!-- 定义有哪几种访问方式 -->
118. <http-method>GET</http-method>
119. <http-method>POST</http-method>
120. <http-method>DELETE</http-method>
121. <http-method>PUT</http-method>
122. </web-resource-collection>
123. <!-- 定义哪些用户有访问权限 -->
124. <auth-constraint>
125. <role-name>wang</role-name>
126. <role-name>admin</role-name>
127. </auth-constraint>
128. <!-- 用户数据约述 -->
129. <user-data-constraint>
130. <transport-guarantee>NONE</transport-guarantee>
131. </user-data-constraint>
132.</security-constraint>
133.<!-- 声明有多少个用户,当然此用户必须在/conf/tomcat-user.xmL文件中存在， -->
134.<security-role>
135. <description>role</description>
136. <role-name>wang</role-name>
137.</security-role>
138.<!-- 声明有多少个用户,当然此用户必须在/conf/tomcat-user.xmL文件中存在， -->
139.<security-role>
140. <description>role</description>
141. <role-name>admin</role-name>
142.</security-role>
143.<!-- 声明有多少个用户,当然此用户必须在/conf/tomcat-user.xmL文件中存在， -->
144.<security-role>
145. <description>role</description>
146. <role-name>manager</role-name>
147.</security-role>
148.<!-- 用户登录 -->
149.<login-config>
150. <!-- 用户登录方式 -->
151. <auth-method>FORM</auth-method>
152. <!-- 登录界面,这个与登录方式有关联 -->
153. <form-login-config>
154. <form-login-page>/login.jsp</form-login-page>
155. <form-error-page>/login-Error.jsp</form-error-page>
156. </form-login-config>
157.</login-config>
158.</web-app>
