添加commons io

build.gradle

@@ -31,6 +31,7 @@ ext {
     langVersion='3.7'
     collectsVersion='3.2.2'
     beanUtilsVersion='1.9.3'
+    ioVersion='2.6'
 }
 
 dependencies {
@@ -43,6 +44,7 @@ dependencies {
     compile("org.apache.commons:commons-lang3:$langVersion")
     compile("commons-collections:commons-collections:$collectsVersion")
     compile("commons-beanutils:commons-beanutils:$beanUtilsVersion")
+    compile("commons-io:commons-io:$ioVersion")
     //springboot jacson支持jsr310 data/time
     compile("com.fasterxml.jackson.datatype:jackson-datatype-jsr310")
 }