variable output switch

This article mainly introduces the ThinkPHP template's variable output, user-defined functions, and judgment statement usage. it is a very useful technique for ThinkPHP template operations. For more information, see ThinkPHP. This article

The following describes the structure of the open-drain output and push-pull output:Push-Pull output: Can output high, low level, connect digital devices;Open-Drain output: The output is equivalent to a transistor collector. A pull-up resistor is

This paper describes the variable output, the custom function and the judgment statement usage of the thinkphp template. It mainly includes three kinds of usage of variable output, custom function and judgment statement. Share to everyone for your

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Template operation variable outputQuick output variable  The code is as follows:Copy code {: Function (...)} // Execute the method and output the returned value{~ Function} // the execution method is not output{@ Var} // output the Session

Java learning notes (entry) _ multiple select structure switch statements, learning notes switchMultiple choice structure switch statement In java, a switch statement is provided for the multi-path Branch selection process. The switch statement

Hello, C ++ (20). 4.2.2 represents the switch statement selected by the parallel condition: if ...... If ...... If ......,. 4.2.24.2.2 expression of the switch statement selected by the parallel condition: if ...... If ...... If ...... In the real

4.2.2 The switch statement that expresses the side-by-side condition selection: If ... If...... If......In the real world, there is a special kind of conditional choice:If it is sunny tomorrow, I will wear a T-shirt;If it is cloudy tomorrow, I will

4.2.2 The switch statement that expresses the side-by-side condition selection: If ... If...... If......In the real world, there is a special kind of conditional choice:If it is sunny tomorrow, I will wear a T-shirt;If it is cloudy tomorrow, I will

1 PrefaceThe modern induction heat treatment technology is widely used because of its high quality, high efficiency, and environmental protection. As the basis of induction heat treatment technology, the IGBT module of the inverter has been