jackon的jar包下载地址: http://repo1.maven.org/maven2/com/fasterxml/jackson/ 需要下载core里面的3个jar包 测试案例 package com.gyarmy.javabeen; import java.util.Date; import com.fasterxml.jackson.annotation.JsonIgnore; import com.fasterxml.jackson.core.JsonProcessingException; ...

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