grails 解决emoji标签存入mysql

class UserTest {

    byte[]  nameBytes //存储emoji表情字段
    Date dateCreated  //grails 时间魔性字段 insert自动获取当前系统时间
    Date lastUpdated  //grails  时间魔性字段   update 自动获取当前系统修改时间

    static constraints = {
    }
    //自定义get、set方法  转换byte[]和String
    def getName() {
        return new String(nameBytes, "UTF-8")
    }

    def setName(String name) {
        this.nameBytes = name.bytes
    }
}
 

   def insertUser(){
        UserTest user = new UserTest()
        user.name = "雪雪 ?? Smile "
        if (!user.save()) {
            throw new ValidationException("添加用户失败", user.errors)
        }
    }

[{
"class": "wxproduct.UserTest",
"id": 1,
"dateCreated": "2015-05-05T13:49:18Z",
"lastUpdated": "2015-05-05T13:49:18Z",
"nameBytes": //mysql数据存储的byte[]
[-23,
-101,
-86,
-23,
-101,
-86,
32,//空格字节
-16,
-97,
-111,
-111,
32,
83,
109,
105,
108,
101,
32,
-18,
-127,
-120]},
"雪雪 ?? Smile " //byte[]转换String  
]