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Part I: Environment integration of MyBatisPlus series 1, Getting started HelloWorld 1. Universal CRUD (1) Ask questions: Suppose we already have a tbl_employee table, and the corresponding entity class employee already exists, which implements TBL_ What do we need to do to CRUD the employee table? (2) Implementation method: Based on My ...

Computer data unit of measurement 1B (byte: bytes) = 8b (bit: bit, man-made minimum unit of measurement) 1KB = 1024B 1MB (megabytes) = 1024KB 1GB = 1024MB 1TB = 1024GB 1PB = 1024TB Job: 1. Conversion 10MB =10240 KB 2. Conversion 1GB =1024 MB 3. Conversion 10GB =10240 MB 0 and 1 in binary Binary is a kind of mathematical base, with only t ...

1. Introduction to windows objects (1) In JavaScript, a browser window is a window object. (2) A window is a window object, in which the HTML document is a document object, and the document object is a child of the window object. There are many kinds of child objects of window object: Child ObjectsExplaindocumentDocument objects are use ...

This is the controller, the servlet spring is earlier than mybatis To integrate spring with mybatis Bridging spring and mybatis  Necessary   Importing spring transaction eliminates manual commit ref refers to other people's classes to introduce class objects value is a string property, just plug it into ...

1. What is a browser A browser displays a web page What does a web page consist of: html css javascript Google browser, Firefox ie uc 360 cheetah Baidu oupeng 2345 safari [ps] Google browser, or Firefox. Can be used as code debugging Oh Compare a web page to a beauty. html is a plain woman without makeup and won't move. css is ...

1, What is Vuex Suitable scene : Component data transfer with complex relationships Vuex It is equivalent to a container for storing shared variables   vuex is composed of five core parts 1.state: used to store data // Create a User component const User = { template: `<div>{{ User }}</div>`, computed: { / ...