xml 属性值三重引号怎么办

xiayixuan12138 2017-02-13 12:06:12

<if test="order_state == ''-1','-2','','''.toString()">

最外面是双引号，然后单引号里面是属性值。

但是属性值得最左最右也是单引号。这怎么办，系统会自动判断吗还是我要把属性值里的单引号全部写成'？？

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ToF君 2017-05-03

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使用转义字符

业余草 2017-02-13

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加上转义字符。 www.xttblog.com

xiayixuan12138 2017-02-13

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强行跑了一遍…… 报这种错……

### Cause: org.apache.ibatis.builder.BuilderException: Error evaluating expression 'order_state == ''-1','-2','','''.toString()'. Cause: org.apache.ibatis.ognl.ExpressionSyntaxException: Malformed OGNL expression: order_state == ''-1','-2','','''.toString() [org.apache.ibatis.ognl.ParseException: Encountered " "\'" "\',\' "" at line 1, column 20.
Was expecting one of:
    <EOF> 
    "," ...
    "=" ...
    "?" ...
    "||" ...
    "or" ...
    "&&" ...
    "and" ...
    "|" ...
    "bor" ...
    "^" ...
    "xor" ...
    "&" ...
    "band" ...
    "==" ...
    "eq" ...
    "!=" ...
    "neq" ...
    "<" ...
    "lt" ...
    ">" ...
    "gt" ...
    "<=" ...
    "lte" ...
    ">=" ...
    "gte" ...
    "in" ...
    "not" ...
    "<<" ...
    "shl" ...
    ">>" ...
    "shr" ...
    ">>>" ...
    "ushr" ...
    "+" ...
    "-" ...
    "*" ...
    "/" ...
    "%" ...
    "instanceof" ...
    "." ...
    "(" ...
    "[" ...
    <DYNAMIC_SUBSCRIPT> ...
    ]