用Maven Protocol Buffers Plugin自动根据工程下的proto文件编译

 1  <build>
 2         <plugins>
 3             <plugin>
 4                 <groupId>com.github.os72</groupId>
 5                 <artifactId>protoc-jar-maven-plugin</artifactId>
 6                 <version>3.11.1</version> <!-- 替换为您需要的Protocol Buffers版本 -->
 7                 <executions>
 8                     <execution>
 9                         <goals>
10                             <goal>run</goal>
11                         </goals>
12                         <phase>generate-sources</phase>
13                     </execution>
14                 </executions>
15                 <configuration>
16                     <inputDirectories>
17                         <include>src/main/proto</include> <!-- 您的.proto文件所在的目录 -->
18                     </inputDirectories>
19                     <outputTargets>
20                         <outputTarget>
21                             <type>java</type>
22                             <outputDirectory>src/main/java</outputDirectory> <!-- 生成的Java文件存放的目录 -->
23                         </outputTarget>
24                     </outputTargets>
25                 </configuration>
26             </plugin>
27         </plugins>
28     </build>

1 mvn clean install

就可以显示了

1 syntax = "proto3";
2 package org.example;
3 message Person {
4     string name = 1;
5     int32 age = 2;
6 }

这是proto的代码

 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     <repositories>
 8         <repository>
 9             <id>central</id>
10             <url>https://repo.maven.apache.org/maven2</url>
11         </repository>
12     </repositories>
13 
14     <groupId>org.example</groupId>
15     <artifactId>Task2</artifactId>
16     <version>1.0-SNAPSHOT</version>
17 
18     <properties>
19         <maven.compiler.source>8</maven.compiler.source>
20         <maven.compiler.target>8</maven.compiler.target>
21         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
22     </properties>
23 
24     <dependencies>
25         <dependency>
26             <groupId>com.google.protobuf</groupId>
27             <artifactId>protobuf-java</artifactId>
28             <version>3.19.6</version> <!-- 使用最新的版本 -->
29         </dependency>
30 
31     </dependencies>
32 
33     <build>
34         <plugins>
35             <plugin>
36                 <groupId>com.github.os72</groupId>
37                 <artifactId>protoc-jar-maven-plugin</artifactId>
38                 <version>3.11.1</version> <!-- 替换为您需要的Protocol Buffers版本 -->
39                 <executions>
40                     <execution>
41                         <goals>
42                             <goal>run</goal>
43                         </goals>
44                         <phase>generate-sources</phase>
45                     </execution>
46                 </executions>
47                 <configuration>
48                     <inputDirectories>
49                         <include>src/main/proto</include> <!-- 您的.proto文件所在的目录 -->
50                     </inputDirectories>
51                     <outputTargets>
52                         <outputTarget>
53                             <type>java</type>
54                             <outputDirectory>src/main/java</outputDirectory> <!-- 生成的Java文件存放的目录 -->
55                         </outputTarget>
56                     </outputTargets>
57                 </configuration>
58             </plugin>
59         </plugins>
60     </build>
61 
62 </project>

完整的pom.xml