IOS – OpenGL ES 調節影象單色 GPUImageMonochromeFilter
阿新 • • 發佈:2022-04-13
一、建立工程
1、建立一個maven工程
2、右鍵工程目錄,新增web4.0框架支援
3、最終檔案目錄結構
二、編寫配置檔案
1、pom.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <project xmlns="http://maven.apache.org/POM/4.0.0" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 5<parent> 6 <artifactId>SpringMVC-KS</artifactId> 7 <groupId>org.example</groupId> 8 <version>1.0-SNAPSHOT</version> 9 </parent> 10 <modelVersion>4.0.0</modelVersion> 11 12 <artifactId>springmvc-03-annotion</artifactId> 1314 <!-- 依賴 --> 15 <dependencies> 16 <dependency> 17 <groupId>junit</groupId> 18 <artifactId>junit</artifactId> 19 <version>4.12</version> 20 </dependency> 21 <!--spring-webmvc依賴--> 22<dependency> 23 <groupId>org.springframework</groupId> 24 <artifactId>spring-webmvc</artifactId> 25 <version>5.2.13.RELEASE</version> 26 </dependency> 27 <!--springmvc底層還是servlet,所以必須新增serlvet依賴--> 28 <dependency> 29 <groupId>javax.servlet</groupId> 30 <artifactId>javax.servlet-api</artifactId> 31 <version>4.0.1</version> 32 <!-- 作用在打包時確保servlet不會打包進去 --> 33 <scope>provided</scope><!--因為tomcat外掛的有提供servlet,所以如果打包進去外掛就會啟動會失敗--> 34 </dependency> 35 <dependency> 36 <groupId>javax.servlet.jsp</groupId> 37 <artifactId>jsp-api</artifactId> 38 <version>2.2</version> 39 </dependency> 40 <dependency> 41 <groupId>javax.servlet</groupId> 42 <artifactId>jstl</artifactId> 43 <version>1.2</version> 44 </dependency> 45 </dependencies> 46 47 <build> 48 <resources> 49 <resource> 50 <directory>src/main/java</directory> 51 <includes> 52 <include>**/*.properties</include> 53 <include>**/*.xml</include> 54 </includes> 55 <filtering>false</filtering> 56 </resource> 57 <resource> 58 <directory>src/main/resources</directory> 59 <includes> 60 <include>**/*.properties</include> 61 <include>**/*.xml</include> 62 </includes> 63 <filtering>false</filtering> 64 </resource> 65 </resources> 66 </build> 67 </project>
2、web.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" 5 version="4.0"> 6 7 <servlet> 8 <servlet-name>SpringMVC</servlet-name> 9 <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> 10 <init-param> 11 <param-name>contextConfigLocation</param-name> 12 <!--注意classpath後文件名根據歷史約定,一般為servlet-name+-servlet這種命名方式--> 13 <param-value>classpath:SpringMVC-servlet.xml</param-value> 14 </init-param> 15 <load-on-startup>1</load-on-startup> 16 </servlet> 17 18 <servlet-mapping> 19 <servlet-name>SpringMVC</servlet-name> 20 <url-pattern>/</url-pattern> 21 </servlet-mapping> 22 23 <!-- 自己手寫一個過濾器--> 24 <!-- <filter>--> 25 <!-- <filter-name>encoding</filter-name>--> 26 <!-- <filter-class>com.han.filter.EncodingFilter</filter-class>--> 27 <!-- </filter>--> 28 <!-- <filter-mapping>--> 29 <!-- <filter-name>encoding</filter-name>--> 30 <!-- <url-pattern>/*</url-pattern>--> 31 <!-- </filter-mapping>--> 32 33 <!-- springmvc自帶的過濾器--> 34 <filter> 35 <filter-name>encoding</filter-name> 36 <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> 37 <init-param> 38 <param-name>encoding</param-name> 39 <param-value>utf-8</param-value> 40 </init-param> 41 </filter> 42 <filter-mapping> 43 <filter-name>encoding</filter-name> 44 <url-pattern>/*</url-pattern> <!-- 這裡如果時/,就會把jsp檔案過濾掉--> 45 </filter-mapping> 46 </web-app>
3、編寫SpringMVC-servlet.xml
1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xmlns:context="http://www.springframework.org/schema/context" 5 xmlns:mvc="http://www.springframework.org/schema/mvc" 6 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd"> 7 8 <!-- 掃描controller下的元件 --> 9 <context:component-scan base-package="com.han.controller"/> 10 <!-- spring mvc不處理靜態資源--> 11 <mvc:default-servlet-handler/> 12 <!-- mvc註解驅動--> 13 <mvc:annotation-driven/> 14 <!-- 檢視解析器--> 15 <bean id="internalResoiurceViewResolver" 16 class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 17 <property name="prefix" value="/WEB-INF/jsp/" /> 18 <property name="suffix" value=".jsp" /> 19 </bean> 20 </beans>
三、手動編寫過濾器,過濾亂碼
注意:如果使用get傳送請求即使不加過濾器也不會亂碼,只有使用post才需要加過濾器
1、新建一個過濾器
public class EncodingFilter implements Filter { public void init(FilterConfig filterConfig) throws ServletException { } public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { servletRequest.setCharacterEncoding("utf-8"); servletResponse.setCharacterEncoding("utf-8"); filterChain.doFilter(servletRequest,servletResponse); } public void destroy() { } }
2、在web.xml中新增如下程式碼,注意url-pattern必須時“/*”,因為“/"會過濾掉jsp
<filter> <filter-name>encoding</filter-name> <filter-class>com.han.filter.EncodingFilter</filter-class> </filter> <filter-mapping> <filter-name>encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
3、直接使用springmvc自帶的過濾器
<filter> <filter-name>encoding</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>utf-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
四、編寫程式碼
1、建立user類
1 package com.han.entity; 2 3 public class User { 4 public String getName() { 5 return name; 6 } 7 8 public void setName(String name) { 9 this.name = name; 10 } 11 12 public int getAge() { 13 return age; 14 } 15 16 public void setAge(int age) { 17 this.age = age; 18 } 19 20 public String name; 21 public int age; 22 }
2、建立HelloController
1 package com.han.controller; 2 3 import com.han.entity.User; 4 import org.springframework.stereotype.Controller; 5 import org.springframework.ui.Model; 6 import org.springframework.web.bind.annotation.RequestMapping; 7 8 @Controller 9 @RequestMapping("h1") 10 public class HelloController { 11 12 @RequestMapping("/hello") 13 public String hello(Model model){ 14 15 model.addAttribute("msg","hello,spring"); 16 17 return "hello";//會被檢視解析器處理,找到 hello.jsp 18 } 19 20 @RequestMapping("/getEntity") 21 public String getEntity(User user,Model model){ 22 System.out.println(user.name); 23 model.addAttribute("msg",user.name+":"+user.age); 24 return "hello"; 25 } 26 }
3、編寫index.jsp
1 <%-- 2 Created by IntelliJ IDEA. 3 User: han 4 Date: 2022/4/15 5 Time: 22:41 6 To change this template use File | Settings | File Templates. 7 --%> 8 <%@ page contentType="text/html;charset=UTF-8" language="java" %> 9 <html> 10 <head> 11 <title>$Title$</title> 12 </head> 13 <body> 14 <form action="${pageContext.request.contextPath}/h1/getEntity" method="post"> 15 姓名:<input type="text" name="name"><br/> 16 年齡:<input type="text" name="age"><br/> 17 <input type="submit" value="提 交"> 18 </form> 19 </body> 20 </html>
4、編寫hello.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <html> <head> <title>Title</title> </head> <body> ${msg} </body> </html>