1.pom.xml 文件中引入

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1. <!-- https://mvnrepository.com/artifact/com.github.ulisesbocchio/jasypt-spring-boot-starter -->  
2. <!-- 整合jasypt对数据库密码加密 -->  
3. <dependency>  
4.     <groupId>com.github.ulisesbocchio</groupId>  
5.     <artifactId>jasypt-spring-boot-starter</artifactId>  
6.     <version>1.16</version>  
7. </dependency>  

2.在windows下命令生成加密密文

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1. java -cp G:\maven\repository\org\jasypt\jasypt\1.9.2\jasypt-1.9.2.jar org.jasypt.intf.cli.JasyptPBEStringEncryptionCLI input="you4new!" password=saltnewfor algorithm=PBEWithMD5AndDES  

参数说明:

input =数据库链接密码

password=加密字段，随意设置

algorithm= 算法

执行后有以下输出

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1. ----ENVIRONMENT-----------------  
2.   
3. Runtime: Oracle Corporation Java HotSpot(TM) 64-Bit Server VM 25.131-b11  
4.   
5.   
6.   
7. ----ARGUMENTS-------------------  
8.   
9. algorithm: PBEWithMD5AndDES  
10. input: you4new!  
11. password: saltnewfor  
12.   
13.   
14.   
15. ----OUTPUT----------------------  
16.   
17. UK61bS+W/BskHl0N0ViAQcrPAmZLZZwO  

3.在spring boot 项目的配置文件中加入以下内容

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1. #spring.datasource.url=jdbc:mysql://localhost:3306/Solrsearch  
2. #spring.datasource.username=root  
3. #jasypt.encryptor.password=${password}  
4. #jasypt.encryptor.password=aidan123456  
5. #spring.datasource.password=ENC(UK61bS+W/BskHl0N0ViAQcrPAmZLZZwO)  
6. #spring.datasource.driver-class-name=com.mysql.jdbc.Driver  

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https://www.ricston.com/blog/encrypting-properties-in-spring-boot-with-jasypt-spring-boot/

https://www.ricston.com/blog/encrypting-properties-in-spring-boot-with-jasypt-spring-boot/

http://www.cnblogs.com/zz0412/p/jasypt-001.html

https://github.com/ulisesbocchio/jasypt-spring-boot