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为什么输入框内光标上边一个加号下边一个减号？
为什么输入框内光标上边一个加号下边一个减号？
输入框内光标上边一个粗黑加号中间三条横杠下边一个粗黑减号
2025-04-06 12:30:30
推荐回答（1个）
回答（1）：
步长输入，避免手工输入验证错误
比如车牌拍卖网，要求整百，加号就直接＋100,而不用输三个数字100,或者光标插入到百位删掉原数再输入新数字(只限于微调)
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