XPath实例教程八、name()函数

name()函数返回元素的名称, start-with()函数在该函数的第一个参数字符串是以第二个参数字符开始的情况返回true, contains()函数当其第一个字符串参数包含有第二个字符串参数时返回true.

 

//*[name()='BBB']

选择所有名称为BBB的元素(这里等价于//BBB)

     <AAA>
          <BCC>
               <BBB/>
               <BBB/>
               <BBB/>
          </BCC>
          <DDB>
               <BBB/>
               <BBB/>
          </DDB>
          <BEC>
               <CCC/>
               <DBD/>
          </BEC>
     </AAA>

 

//*[starts-with(name(),'B')]

选择所有名称以"B"起始的元素

     <AAA>
          <BCC>
               <BBB/>
               <BBB/>
               <BBB/>
          </BCC>
          <DDB>
               <BBB/>
               <BBB/>
          </DDB>
          <BEC>
               <CCC/>
               <DBD/>
          </BEC>
     </AAA>

 

//*[contains(name(),'C')]

选择所有名称包含"C"的元素

     <AAA>
          <BCC>
               <BBB/>
               <BBB/>
               <BBB/>
          </BCC>
          <DDB>
               <BBB/>
               <BBB/>
          </DDB>
          <BEC>
               <CCC/>
               <DBD/>
          </BEC>
     </AAA>