Maven指定JDK编译版本

    
     
      
       JDK1.8
      
      
       
        true
       
      
      
       
        1.8
       
       
        1.8
       
       
        UTF-8
       
      
     
    
    
     
      
       
        org.apache.maven.plugins
       
       
        maven-compiler-plugin
       
       
        3.1
       
       
        1.8
        
         1.8
        
        
         UTF-8