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http://localhost:8080/tj16/
"/"´ú±í¸ùĿ¼£¬"./" ´ú±íµ±Ç°Ä¿Â¼£¬"../"´ú±íÉϼ¶Ä¿Â¼¡£
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webapp tj16
i:/test/tj16/a.jsp
i:/test/tj16/aa/aa.jsp
i:/test/tj16/aa/bb.jsp
i:/test/tj16/aa/cc/c.jsp
µØÖ·À¸ÖÐÊäÈëµØÖ·£º[http://localhost:8080/tj16/aa/aa.jsp]
aa.jspÖÐÄÚÈÝ
(1)<a href="../a.jsp">test1</a>           ||    Á¬½Óµ½[http://localhost:8080/tj16/a.jsp]
(2)<a href="/tj16/a.jsp">test2</a>      ||    Á¬½Óµ½[http://localhost:8080/tj16/a.jsp]
(3)<a href="/a.jsp">test3</a>              ||    Á¬½Óµ½[http://localhost:8080/a.jsp]
(4)<a href="./bb.jsp">test4</a>           ||    Á¬½Óµ½[http://localhost:8080/aa/bb.jsp]
(5)<a href="bb.jsp">test5</a>             ||    Á¬½Óµ½[http://localhost:8080/aa/bb.jsp]
(6)<a href="cc/c.jsp">test6</a>           ||    Á¬½Óµ½[http://localhost:8080/aa/cc/c.jsp]
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[for example:]
<form action="/tj16/a.jsp">
    <input type="submit">
</form>
·¾¶½âÎö£º[http://localhost:8080/tj16/aa/aa.jsp]
(a) "/" ---->[http://localhost:8080/] (¸ùĿ¼)
(b) "./" --->[http://localhost:8080/tj16/aa/] (µ±Ç°Ä¿Â¼)
(c) "../"--->[http://localhost:8080/tj16/] (ÉÏÒ»¼¶Ä¿Â¼)
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android:layout_width="fill_parent"
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