if elseif else
时间: 2023-09-12 16:09:53 浏览: 46
`if`, `elseif`, and `else` are conditional statements in many programming languages that allow you to execute different blocks of code based on different conditions.
The basic syntax of these statements is:
```
if (condition1) {
// code block to execute if condition1 is true
} elseif (condition2) {
// code block to execute if condition1 is false and condition2 is true
} else {
// code block to execute if both condition1 and condition2 are false
}
```
In this code, if `condition1` is true, the code block inside the first `if` statement will be executed. If `condition1` is false and `condition2` is true, the code block inside the `elseif` statement will be executed. If both `condition1` and `condition2` are false, the code block inside the `else` statement will be executed.
You can have multiple `elseif` statements in between the `if` and `else` statements to check for additional conditions.
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