if statement

If the@ if statement fails, the@ else if statements are tried in order until one succeeds or the@ else is reached.

如果@if语句失败，则依次尝试@else if语句，直至其中一条语句获得成功或到达@else为止。

Close the if statement, file loop, SFTP connection, and SSH session.

结束if语句、文件循环、SFTP连接和SSH会话。

The last if statement is never executed and is used to demonstrate how the pass statement is coded in a program.

最后一个if语句永远不会执行，只是用于演示如何在程序中编写pass语句。

To handle this case correctly, the following if statement would explicitly set lastline to the line number of the end of file ( that is, to the line number returned by line ( '$')).

要正确地处理这种情况，随后的if语句需要显式地将lastline设置为文件末端的行号（即设置为由line（'$'）返回的行号）。

You can make commands safe to import, however, by protecting the actual actions they perform with an if statement that checks whether the module is being run or simply imported

但是，可以用一个if语句检查模块是直接运行还是导入，从而保护它们执行的实际操作，这样就可以安全地导入命令

Note also that the comparison operators for "less than" and "greater or equal to" inside the xsl: if statement are also escaped to comply with XML rules.

还应注意，xsl：if中的“小于”和“大于或等于”比较操作符也需要转义，以遵从XML规则。

However, unlike DB2, the END IF statement does not require a semicolon.

但是，与DB2不同的是，END IF语句不需要使用分号。

An instance variable and an if statement are used skillfully in the process of design, which solves the problem of picture flash.

在设计过程中，巧妙地使用了一个窗口实例变量和一个条件语句，解决了图片闪烁的问题。

We also give the axiomatic semantics of if statement and while statement and block statement in order to show that the axiomatic semantics plan is normal.

为了说明本文提出的公理语义方案具有一般性，也给出了具有异常处理机制条件下，if语句，while语句，和块等语句的公理语义。

In the code, notice how the line after the if statement is indented.

右边的图样是一个流程图代表了左边的代码.你可以从最上面跟随流程,在线上流动, 并且执行在方框中的指令.