在线等!快的加分!!VB中int取整是否要四舍五入? 比如int(7/5)答案是3还是4 =int()是取整函数,但是它不四舍五入,请问,要四舍五入该...

VB\u56db\u820d\u4e94\u5165\u7684\u95ee\u9898\uff0c\u6025\uff01

\u95ee\u9898\u5728\u4e8e int(XXX *100)/100
\u8fd9\u53e5\u7684\u610f\u601d\u662f\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\uff0c\u4f60\u53ef\u4ee5\u6362\u4f5cint(XXX *10)/10
\u4e0d\u597d\u610f\u601d\uff0c\u4e0d\u597d\u610f\u601d\uff0c\u8fd8\u5fd8\u8bb0\u4e86\u4e00\u70b9
\u8bf7\u770b\u4e0b\u9762\uff1a
Int(N*100+0.5)/100 \u8fd9\u662f\u4e00\u4e2a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u7684\u516c\u5f0f
\u90a3\u4e48\u4f60\u8981\u7684\u662f\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570
Int(N*10+0.5)/10
\u9a8c\u8bc1\u503c1.76 \u4ee3\u5165
1.76\u4e58\u4ee510\u5f9717.6
17.6\u52a00.5 \u5f9718.1
18.1\u53d6\u6574 \u5f9718
18\u9664\u4ee510 \u5f971.8
\u6b63\u786e!

\u7528Int \u7684\u8bdd \u5c31 Int(\u6570\u5b57+0.5)
\u7528Format\u4e5f\u53ef\u4ee5\u8f7b\u677e\u641e\u5b9a\u3002
format(a,"0.00") \u8fd9\u6837\u5c31\u56db\u820d\u4e94\u5165\u4fdd\u63012\u4f4d\u5c0f\u6570\u3002
\u7528 Round() \u5219
Debug.Print Round(200.5) 'return 200
Debug.Print Round(200.56) 'return 201
Debug.Print Round(200.56, 1) 'return 200.6
Debug.Print Round(200.56, 2) 'return 200.56

\u8fd4\u56de\u4e00\u4e2a\u6570\u503c\uff0c\u8be5\u6570\u503c\u662f\u6309\u7167\u6307\u5b9a\u7684\u5c0f\u6570\u4f4d\u6570\u8fdb\u884c\u56db\u820d\u4e94\u5165\u8fd0\u7b97\u7684\u7ed3\u679c\u3002

\u8bed\u6cd5

Round(expression [,numdecimalplaces])

Round\u51fd\u6570\u8bed\u6cd5\u6709\u5982\u4e0b\u51e0\u90e8\u5206\uff1a

\u90e8\u5206 \u63cf\u8ff0
expression \u5fc5\u9700\u7684\u3002\u8981\u8fdb\u884c\u56db\u820d\u4e94\u5165\u8fd0\u7b97\u7684\u6570\u503c\u8868\u8fbe\u5f0f\u3002
numdecimalplaces \u53ef\u9009\u7684\u3002\u6570\u5b57\u503c\uff0c\u8868\u793a\u8fdb\u884c\u56db\u820d\u4e94\u5165\u8fd0\u7b97\u65f6\uff0c\u5c0f\u6570\u70b9\u53f3\u8fb9\u5e94\u4fdd\u7559\u7684\u4f4d\u6570\u3002\u5982\u679c\u5ffd\u7565\uff0c\u5219Round\u51fd\u6570\u8fd4\u56de\u6574\u6570\u3002

int不是四舍五入,int就是不超过该数字的最大整数,如int(5.6)=5,int(-1.2)=-2。
四舍五入可以用Round函数,语法:Round([数字],[保留小数的位数]),不过由于电脑的计算算法等问题(这里不做过多解释),在某些情况下会产生5不进的情况。

希望对你有帮助。

去尾,不是四舍五入。
int(7/5) = 1

5.6四舍五入:int(5.6+0.5)=6

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