10 recommended articles about simple types

This article mainly introduces the json data interaction controller method of springmvc. The return value is a simple type, which is very practical. Friends in need can refer to how to interact with json when the return value of the controller method is a simple type such as String. What about interaction? Use @RequestBody. For example, the code is as follows: @RequestMapping(value="/ceshijson",produces="application/json;charset=UTF-8") @ResponseBody public String ceshijson(@RequestBody String channelId) throws IOException{ return channelId; If the code is in the above situation, the front desk will send

1. When the return value of the controller method is a simple type, how to interact with json?

Introduction: This article mainly introduces the json data interaction controller method of springmvc that returns a simple type , very practical value, friends in need can refer to

##2. Brief introduction to the c# expression tree Expression simple type comparison demo sample code

Introduction: The editor below will bring you a brief discussion of the c# expression tree Expression simple type comparison demo. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor to take a look

3. In-depth understanding of MySQL Advanced Drifting (4)

Introduction: Join Cross Join The simplest type of join is the cross join, which is the product of multiplying the tables involved to create an all-encompassing product. Example: select * from student,person;//The result is a combination of the two tables. All columns of the two tables are combined to produce a result set containing all possible combinations. This type is called a cross join, and the number of rows in the resulting table after the join is the same multiplied by the number of rows in each table used for the join. The above cross-connection will have a great impact on the performance of the database server, so use

4 in the connection. Crazy XML study notes (8)---- -----Simple type of schema

## Introduction: After some hard study and research, Finally figured out the basic principles of XML schema!

5.

C#Data Type

## Introduction: Value types include simple types (such as character types, floating point types, and integer types, etc.), collection types, and structural types. Reference types include class types, interface types, representative types and array types.

6.

C# Learning Diary 09---Data Type Struct Type

Introduction: After learning the previous simple types, we are doing some common data operations and word processing, which seems to be enough, but when we encounter some complex data types , For example, the name, age, phone number, and address of each student must be entered in the class management system. If we handle it according to the simple data types we learned earlier, each time a student's information is entered, it will be stored in 4 different variables. This will cause too much work, is not intuitive, and is easy to confuse.

7.

The difference between T and question mark (wildcard) in java generics

Introduction: The difference between T and question mark (wildcard) in java generics. Types originally include: simple types and complex types. After the introduction of generics, the complex types are divided into more details;

8. Understanding JavaScript primitive values ​​and composite values

##Introduction: javascript Data types can be divided into two types: primitive types and reference types. Primitive types are also called basic types or simple types. The basic data types of JavaScript include Undefined, Null, Boolean, Number, and String. Reference types are also called complex types, which are Object in Javascript. Correspondingly, their values ​​are also called primitive values ​​and complex values ​​respectively. They are more understandable with Java data types: ...

9. php common knowledge points Summary

Introduction: PHP: 1. The difference between echo print print_r Echo is a PHP statement, print and print_r is a function. The statement has no return value, but the function can have a return value. Print can only print the values ​​of simple type variables. Print_r can print complex variable values ​​(arrays or objects) and Echo outputs one or more strings. 2. The difference between mysql_fetch_array() and mysql_fetch_row() mysql_fetch_array() returns according to...

10. Summary of common PHP knowledge points

Introduction: PHP: 1. The difference between echo print print_r Echo is a PHP statement, print and print_r are functions, and the statement has no return value. Functions can have return values. Print can only print the values ​​of simple type variables. Print_r can print complex variable values ​​(arrays or objects) and Echo outputs one or more strings. 2. The difference between mysql_fetch_array() and mysql_fetch_row() mysql_fetch_array() returns according to...

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