遇到了一个奇怪的 bug 前端传的*存入数据库变成了#42 - V2EX
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Tuy
0.03D

遇到了一个奇怪的 bug 前端传的*存入数据库变成了#42

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  •   Tuy Jun 4, 2021 1693 views
    This topic created in 1788 days ago, the information mentioned may be changed or developed.

    非常神奇的问题,查过了编码 也没有*和#42 对应的哇, 在多次测试后发现&会转成 amp 除此之外就没有其他转码问题了,

    目前处理就是直接#42 替换成*,但是想不明白是什么原因

    7 replies    2021-06-04 15:54:36 +08:00
    hahastudio
        1
    hahastudio  
       Jun 4, 2021
    * 就是 42 (十进制)啊
    limuyan44
        2
    limuyan44  
       Jun 4, 2021
    先看看后端收到的是什么,插入的 sql 又是什么,sql 拿到命令行执行结果又是什么,不是什么复杂的情况很好排查。
    AoEiuV020
        3
    AoEiuV020  
       Jun 4, 2021
    星号*的 ascii 十进制就是 42,
    adeweb
        4
    adeweb  
       Jun 4, 2021
    "*".codePointAt() // 42
    Tuy
        5
    Tuy  
    OP
       Jun 4, 2021
    对 *的 ascii 码确实是 42 但是这个没法解释&
    Tuy
        6
    Tuy  
    OP
       Jun 4, 2021
    @limuyan44 这个我没表述清楚 后端接受到请求之后数据就变成了了#42
    BreadKiller
        7
    BreadKiller  
       Jun 4, 2021
    https://dev.w3.org/html5/html-author/charref
    虽然有*和#42 对应,但是按理&转成& *应该是转成* 才对吧
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