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本菜鸡是一名弱弱的测试工程师,最近完成了一个支付相关的项目,项目工作中,需要建立一个模拟支付宝的网关,主要是接收请求并返回数据。作为一名没有丝毫开发经验的菜鸡,初期入门相当费劲,主要还是思维上的转变。由于本人技能水平有限,本篇文章只介绍如何启动服务,并接收请求,返回数据。希望可以给想要入门的童鞋一些帮助。
一、首先建立一个maven工程
二、web.xml文件内容
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_3_1.xsd"
5 version="3.1">
6 <filter>
7 <filter-name>jfinal</filter-name>
8 <filter-class>com.jfinal.core.JFinalFilter</filter-class>
9 <init-param>
10 <param-name>configClass</param-name>
11 <param-value>demo.DemoConfig</param-value>
12 </init-param>
13 </filter>
14 <filter-mapping>
15 <filter-name>jfinal</filter-name>
16 <url-pattern>/*</url-pattern>
17 </filter-mapping>
18 </web-app>
三、在main中创建DemoConfig.java
继承JFinalConfig类,并实现其中的5个抽象方法。
1 package com.test.common;
2
3 import com.jfinal.config.Constants;
4 import com.jfinal.config.*;
5
6 /**
7 * Created by wangx on 2015/8/23 0023.
8 */
9 public class DemoConfig extends JFinalConfig {
10 public void configConstant(Constants me){
11
12 }
13
14 public void configRoute(Routes me){
15
16 }
17
18 public void configPlugin(Plugins me){
19
20 }
21
22 public void configInterceptor(Interceptors me){
23
24 }
25
26 public void configHandler(Handlers me){
27
28 }
29 }
四、创建一个controller类,接收并返回数据。这里类名为DemoController.java并继承Controller
1 package com.test.controller;
2
3 import com.jfinal.core.Controller;
4
5 /**
6 * Created by wangx on 2015/8/23 0023.
7 */
8 public class DemoController extends Controller{
9 public void index(){
10 renderText("学无止境!");
11 }
12 }
五、检查一下web.xml中的param-value值,应该与DemoConfig文件的路径一致,包括包名和类名。以下截图也包括了我的工程结构,可以更直观的理解各个类的关系。
六、在DemoConfig中增加路由和main函数,注意端口号不要与其他程序重复。这里设置为80,是http默认端口号
1 package com.test.common;
2
3 import com.jfinal.config.Constants;
4 import com.jfinal.config.*;
5 import com.jfinal.core.JFinal;
6 import com.test.controller.DemoController;
7
8 /**
9 * Created by wangx on 2015/8/23 0023.
10 */
11 public class DemoConfig extends JFinalConfig {
12 public void configConstant(Constants me){
13 me.setDevMode(true);
14 }
15
16 public void configRoute(Routes me){
17 me.add("/", DemoController.class);
18 }
19
20 public void configPlugin(Plugins me){}
21
22 public void configInterceptor(Interceptors me){}
23
24 public void configHandler(Handlers me){}
25
26 public static void main(String[] args) throws Exception {
27 JFinal.start("src/main/webapp", 80, "/", 5);
28 }
29 }
七、运行main函数,控制台print如下内容,则启动成功。这时我们打开网页,访问自己PC的ip
八、返回我们制定的内容
九、设置端口和url,更改DemoConfig中的两个参数,在DemoController中新增一个方法。帮助大家理解。
DemoConfig.java
1 package com.test.common;
2
3 import com.jfinal.config.Constants;
4 import com.jfinal.config.*;
5 import com.jfinal.core.JFinal;
6 import com.test.controller.DemoController;
7
8 /**
9 * Created by wangx on 2015/8/23 0023.
10 */
11 public class DemoConfig extends JFinalConfig {
12 public void configConstant(Constants me){
13 me.setDevMode(true);
14 }
15
16 public void configRoute(Routes me){
17 me.add("/test", DemoController.class);
18 }
19
20 public void configPlugin(Plugins me){}
21
22 public void configInterceptor(Interceptors me){}
23
24 public void configHandler(Handlers me){}
25
26 public static void main(String[] args) throws Exception {
27 JFinal.start("src/main/webapp", 8080, "/", 5);
28 }
29 }
DemoController.java
1 package com.test.controller;
2
3 import com.jfinal.core.Controller;
4
5 /**
6 * Created by wangx on 2015/8/23 0023.
7 */
8 public class DemoController extends Controller{
9 public void index(){
10 renderText("学无止境!");
11 }
12
13 public void demo(){
14 renderText("吓死宝宝了!");
15 }
16 }
访问url:http://localhost:8080/test/demo
到此,可以启动服务,并返回数据。
十、pom文件
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 <modelVersion>4.0.0</modelVersion>
6
7 <groupId>com.test</groupId>
8 <artifactId>jFinalDemo</artifactId>
9 <version>1.0</version>
10 <packaging>war</packaging>
11
12 <properties>
13 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
14 <maven.compiler.source>1.6</maven.compiler.source>
15 <maven.compiler.target>1.6</maven.compiler.target>
16 </properties>
17
18 <dependencies>
19 <dependency>
20 <groupId>com.jfinal</groupId>
21 <artifactId>jfinal</artifactId>
22 <version>2.0</version>
23 </dependency>
24 <dependency>
25 <groupId>com.jfinal</groupId>
26 <artifactId>cos</artifactId>
27 <version>26Dec2008</version>
28 </dependency>
29 <dependency>
30 <groupId>com.jfinal</groupId>
31 <artifactId>jetty-server</artifactId>
32 <version>8.1.8</version>
33 </dependency>
34 </dependencies>
35
36 <build>
37 <plugins>
38 <plugin>
39 <groupId>org.apache.maven.plugins</groupId>
40 <artifactId>maven-resources-plugin</artifactId>
41 <configuration>
42 <encoding>${project.build.sourceEncoding}</encoding>
43 </configuration>
44 </plugin>
45 <plugin>
46 <groupId>org.apache.maven.plugins</groupId>
47 <artifactId>maven-compiler-plugin</artifactId>
48 <configuration>
49 <source>${maven.compiler.source}</source>
50 <target>${maven.compiler.target}</target>
51 <encoding>${project.build.sourceEncoding}</encoding>
52 </configuration>
53 </plugin>
54 <plugin>
55 <groupId>org.apache.maven.plugins</groupId>
56 <artifactId>maven-deploy-plugin</artifactId>
57 <configuration>
58 <skip>true</skip>
59 </configuration>
60 </plugin>
61 </plugins>
62 </build>
63
64 </project> |
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