OGNL表达式struts2标签“%,#,$”
发布日期:2025-04-27 23:33:42 浏览次数:23 分类:精选文章

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OGNL?Object-Graph Navigation Language??????????????????????????????Struts??????????????OGNL???????????

OGNL?????

  • ????????

    OGNL???????????????objName.methodName()????

    employee.getName()
  • ???????????

    OGNL??@????????????????

    @java.lang.String#format('foo %s', 'bar')

    ???

    @tutorial.MyConstant@APP_NAME
  • ????????????

    OGNL?????????????????

    price = 100, discount = 0.8, calculatePrice()

    ?????80?

  • ???????

    OGNL????OGNL context?ActionContext???

    #context.request.parameters.id[0]
  • ??????

    OGNL????????????????????

    books.{?this.price > 35}

  • OGNL?Struts????

    OGNL?Struts????????????#?%?$????????

  • #???????

    • ???????#context.request.parameters?#actionContext?
    • ????????books.{?#this.price > 35}?
    • ??Map?{#foo1: bar1, foo2: bar2}?
  • %?????

    ??????????????%{}????OGNL???????

  • $???????

    • ??????????OGNL????
    • Struts???????OGNL????
      saveUser.action?msg=${msg}

  • ??????

    listUser.action?msg=${msg}
    • ??#msg??????????
    • ??????????

    OGNL???????Struts???????????????#?%?$???????OGNL?????????????????

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