这块在get_current_date中有两个函数调用(get和json)会返回Result值。因为get_current_date并没有返回错误时要做什么的上下文,所以使用模式匹配将错误传回main. 有时候在使用模式匹配去处理,多个嵌套的错误处理可能会让代码看起来非常混乱,所以我们可以引入?来重写上述代码. ...
CREATETABLE`student`(`id`int(11)NOTNULLAUTO_INCREMENT,`name`varchar(128)NOTNULL,`age`int(11)NOTNULL,`id_card`varchar(128)NOTNULL,`last_update`dateNOTNULL,PRIMARYKEY(`id`))ENGINE=InnoDBDEFAULTCHARSET=utf8mb4;--插入测试数据 insert intostudent(name,age,id_card,last_update)values('张三',23...
`age` int(11) NOT NULL,`id_card` varchar(128) NOT NULL,`last_update` date NOT NULL,PRIMARY KEY (`id`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;-- 插入测试数据insert into student (name, age, id_card, last_update) values ('张三', 23, '123456789X', CURRENT_DATE());insert...
date (--utc)Get the current datetime fetch urlFetch contents from a url and retrieve data as a table if possible helpDisplay help information about commands ls (path)View the contents of the current or given path mkdir pathMake directories, creates intermediary directories as required. ...
DateSelect prompts provide several options of configuration: Prompt message: Required when creating the prompt. Default value: Default value selected when the calendar is displayed and the one select if the user submits without any previous actions. Current date by default. Help message: Message dis...
[date, time] arthurhenrique/rusti-cal [rusti-cal] - A cal(1) clone lightning-fast ~ more than 9999 years ~ Written in Rust. burntSushi/jiff - A date-time library for Rust that encourages you to jump into the pit of success. chronotope/chrono - Date and time library Mnwa/ms [ms-...
#[wasm_bindgen] pub fn return_time() -> f64 { let date = Date::new_0(); date.get_time() } 接着,在html中调用: import init, { return_time } from './pkg/hello_wasm.js'; const run = async () => { await init(); console.log('current time: ', return_time()); } run...
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const mon = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '_'; const day = date.getDate() + '_'; const hour = date.getHours() + '_'; const min = date.getMinutes(); const basePath = await path.downloadDir(); ...
Get ready to strip back to basics and see if you've got what it takes to survive with minimal tech. This is your chance to really prove your survival skills in a tougher, more raw Rust environment. See you there! connect euprimitive.rustafied.com ...