新手求教for怎么打印循环0.01这样小数点格式的数字。
如我要打印
0.01
0.02
0.03
0.04
0.05
......
0.99
这样的数字,PHP怎么打印?用for怎么打印出来?
回复讨论(解决方案)
for ($i=0.01; $i < 1; $i+=0.01) { echo $i."<br />";}
有个问题,
比如我要打印
81.1-99.1
的数字
用2楼的循环方法,到了90的时候就会出现问题了,怎么解决?
for ($i=0.01; $i < 1; $i+=0.01) { echo $i."<br />";}
有个问题,
比如我要打印
81.1-99.1
的数字
用这循环方法,到了90的时候就会出现问题了,怎么解决?
for ($i=81.3; $i <99.4; $i+=0.01) { echo round($i,2)."<br />";}//$i+=0.01 for里面的第二个分号后面的内容表示增加的量 每循环一次加多少$i+=0.01表示每次加0.01 而你的$i+=99.3表示每次加99.3 81.3加99.3超过99.4了 所以只循环一次就结束这个循环了
for ($i=81.3; $i <99.4; $i+=0.01) { echo round($i,2)."<br />";}//$i+=0.01 for里面的第二个分号后面的内容表示增加的量 每循环一次加多少$i+=0.01表示每次加0.01 而你的$i+=99.3表示每次加99.3 81.3加99.3超过99.4了 所以只循环一次就结束这个循环了
首先,非常感谢你耐心的帮助,,但我所说的问题不是这个,就是自动转为浮点了。变成90.0999999999。
我想要的结果是90.1

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