关于There is no getter for property named 'mohuname' in 'class java.lang.String'] with root cause问题
2017-03-06 17:52
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今天做模糊查询时发生了这错误,百思不得起解,最后度出来了,原来在输入值类型设置为String时,在做判断的时候参数需统一修改为‘_parameter’
否则就会发生“There is no getter for property named in ‘class java.lang.String’”错误
上面的就是我发生错误的地方,在
注意只有判断的语句才必须使用_parameter,在
后来我尝试将#{mohuname} 改为#{_parameter} 也可以运行
`
否则就会发生“There is no getter for property named in ‘class java.lang.String’”错误
<select id="selectmohuSatisfaction" resultMap="satisfactionMap" parameterType="java.lang.String"> select manyidu_id,js.jiaoshi_name,bj.banji_name,kc.kecheng_name ,manyidu_fenshu,manyidu_riqi from manyidu m inner join jiaoshi js on m.jiaoshi_id=js.jiaoshi_id inner join banji bj on m.banji_id=bj.banji_id inner join kecheng kc on m.kecheng_id=kc.kecheng_id <where> <if test="mohuname!=null"> and jiaoshi_name like '%' #{mohuname} '%' or banji_name like '%' #{mohuname} '%' or kecheng_name like '%' #{mohuname} '%' </if> </where> </select>
上面的就是我发生错误的地方,在
<if test="mohuname!=null">判断的时候改为`就好了
注意只有判断的语句才必须使用_parameter,在
and jiaoshi_name like '%' #{mohuname} '%' or banji_name like '%' #{mohuname} '%' or kecheng_name like '%' #{mohuname} '%'中就没有用_parameter,也没有报错。
后来我尝试将#{mohuname} 改为#{_parameter} 也可以运行
`
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