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955 | version = "0.42.1" 956 | source = "registry+https://github.com/rust-lang/crates.io-index" 957 | checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd" 958 | -------------------------------------------------------------------------------- /Cargo.toml: -------------------------------------------------------------------------------- 1 | [package] 2 | name = "rust-stock" 3 | version = "1.1.0" 4 | edition = "2021" 5 | 6 | # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html 7 | 8 | [dependencies] 9 | # Log 和 SimpleLogger在 TUI 应用里看不到 10 | # log = "0.4" 11 | # simple_logger = "1.16" 12 | 13 | # 用 Rust 构建终端用户界面的框架 14 | # crossterm 支持 windows, 但性能比 termion 稍差，旧版本鼠标支持有问题 15 | # 使用 tui-rs 和 crossterm 启动一个控制台的终端界面 16 | tui = { version = "0.19", default-features = false, features = ['crossterm', 'serde'] } 17 | crossterm = { version = "0.25", features = [ "serde" ] } 18 | # 系列化 library 19 | serde = {version = "1.0", features = ["derive"] } 20 | serde_json = "1.0" 21 | # time library 22 | chrono = "0.4" 23 | 24 | # 解决tui里中文宽度的计算 25 | unicode-width = "0.1" 26 | 27 | # reqwest太大了3M, ureq也有2M, http_req只有300k 28 | http_req = "0.9" 29 | 30 | # 查询跨平台的通用目录位置 31 | dirs-next = "2.0" 32 | 33 | # 懒加载 crate 34 | # lazy_static = "1.4.0" 35 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # rust-stock 2 | 3 | Terminal Stock Query 4 | 5 | A simple terminal tool for stock query written in Rust 🦀 6 | 7 | 使用 Rust 开发的股价查询终端应用 8 | 9 | ![](images/rust-stock.gif) 10 | 11 | 12 | ## 引用库介绍 13 | 14 | ``` 15 | tui-rs 是一款超好用的跨平台命令行界面库 16 | 17 | 使用 tui.rs 提供的以下模块进行 UI 编写(所有 UI 元素都实现了 Widget 或 StatefuWidget Trait)： 18 | 19 | bakend 用于生成管理命令行的后端 20 | layout 用于管理 UI 组件的布局 21 | style 用于为 UI 添加样式 22 | symbols 描述绘制散点图时所用点的样式 23 | text 用于描述带样式的文本 24 | widgets 包含预定义的 UI 组件 25 | 26 | 项目地址：https://github.com/fdehau/tui-rs 27 | 官方文档：https://docs.rs/tui/latest/tui/index.html 28 | 29 | tui介绍：https://www.51cto.com/article/703696.html 30 | 实时股票数据： https://github.com/tarkah/tickrs 31 | 文件传输工具：https://github.com/veeso/termscp 32 | 网络监控工具：https://github.com/imsnif/bandwhich 33 | 34 | ``` 35 | 36 | # 编译/运行 37 | 38 | ``` 39 | ➜ git https://github.com/huangbqsky/rust-stock 40 | ➜ cd rust-stock 41 | ➜ cargo build 42 | ➜ cargo run 43 | ``` 44 | 45 | # 参考 46 | - https://github.com/x1y9/rust-stock 47 | 48 | - https://github.com/chessbr/rust-exchange 49 | -------------------------------------------------------------------------------- /images/rust-stock.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/huangbqsky/rust-stock/53cf0ffa25c4ff503a964c6119d207f7176ff204/images/rust-stock.gif -------------------------------------------------------------------------------- /src/aio.rs: -------------------------------------------------------------------------------- 1 | use std::sync::mpsc::{channel, Sender}; 2 | 3 | // 异步执行器 4 | #[derive(Clone)] 5 | pub struct Executor { 6 | task_sender: Sender, 7 | } 8 | pub enum Task { 9 | Println(String), 10 | Exit, 11 | } 12 | 13 | impl Executor { 14 | pub fn new() -> Self { 15 | let (sender, receiver) = channel(); 16 | std::thread::spawn(move || loop { 17 | match receiver.recv() { 18 | Ok(task) => match task { 19 | Task::Println(string) => println!("{}", string), 20 | Task::Exit => return, 21 | }, 22 | Err(_) => { 23 | return; 24 | } 25 | } 26 | }); 27 | Executor { 28 | task_sender: sender, 29 | } 30 | } 31 | 32 | pub fn println(&self, string: String) { 33 | self.task_sender.send(Task::Println(string)).unwrap() 34 | } 35 | } 36 | -------------------------------------------------------------------------------- /src/events.rs: -------------------------------------------------------------------------------- 1 | use crossterm::event::{Event, KeyCode, MouseEventKind}; 2 | 3 | use crate::stock::{App, AppState, Stock}; 4 | 5 | // 处理键盘、鼠标事件 6 | pub fn on_events(event: Event, app: &mut App) { 7 | let total = app.stocks.lock().unwrap().len(); 8 | let sel = app.stocks_state.selected().unwrap_or(0); 9 | let selsome = app.stocks_state.selected().is_some() && sel < total; 10 | 11 | match app.state { 12 | AppState::Normal => { 13 | if let Event::Key(key) = event { 14 | let code = key.code; 15 | if code == KeyCode::Char('q') { 16 | app.should_exit = true; 17 | } else if code == KeyCode::Char('r') { 18 | app.refresh_stocks(); 19 | } else if code == KeyCode::Char('n') { 20 | // 新建stock 21 | app.state = AppState::Adding; 22 | app.input = String::new(); 23 | } else if code == KeyCode::Char('d') && selsome { 24 | // 删除当前选中的stock 25 | app.stocks.lock().unwrap().remove(sel); 26 | app.save_stocks().unwrap(); 27 | app.stocks_state.select(None); 28 | } else if code == KeyCode::Char('u') && selsome && sel > 0 { 29 | // 将选中stock往上移动一位 30 | app.stocks.lock().unwrap().swap(sel, sel - 1); 31 | app.save_stocks().unwrap(); 32 | app.stocks_state.select(Some(sel - 1)); 33 | } else if code == KeyCode::Char('j') && selsome && sel < total - 1 { 34 | // 将选中stock往下移动一位 35 | app.stocks.lock().unwrap().swap(sel, sel + 1); 36 | app.save_stocks().unwrap(); 37 | app.stocks_state.select(Some(sel + 1)); 38 | } else if code == KeyCode::Up && total > 0 { 39 | // 注意这里如果不加判断直接用sel - 1, 在sel为0时会导致异常 40 | app.stocks_state 41 | .select(Some(if sel > 0 { sel - 1 } else { 0 })); 42 | } else if code == KeyCode::Down && total > 0 { 43 | app.stocks_state 44 | .select(Some(if sel < total - 1 { sel + 1 } else { sel })); 45 | } 46 | } else if let Event::Mouse(mouse) = event { 47 | if let MouseEventKind::Up(_button) = mouse.kind { 48 | let row = mouse.row as usize; 49 | // list是从第三行开始，所以要减去2, 这里本来还应该考虑list的滚动， 50 | // 但是app.stocks_state的滚动位置字段是private的，取不到。 51 | if row >= 2 && row < total + 2 { 52 | app.stocks_state.select(Some(row - 2)); 53 | } 54 | } 55 | } 56 | } 57 | 58 | AppState::Adding => match event { 59 | Event::Key(key) => match key.code { 60 | KeyCode::Enter => { 61 | app.state = AppState::Normal; 62 | if app.input.len() > 0 { 63 | app.stocks.lock().unwrap().push(Stock::new(&app.input)); 64 | app.refresh_stocks(); 65 | app.save_stocks().unwrap(); 66 | } 67 | } 68 | KeyCode::Esc => { 69 | app.state = AppState::Normal; 70 | } 71 | KeyCode::Char(c) => { 72 | app.input.push(c); 73 | } 74 | KeyCode::Backspace => { 75 | app.input.pop(); 76 | } 77 | _ => {} 78 | }, 79 | _ => {} 80 | }, 81 | } 82 | } 83 | 84 | // 处理定时事件 85 | pub fn on_tick(app: &mut App) { 86 | app.tick_count += 1; 87 | if app.tick_count % 60 == 0 { 88 | if let AppState::Normal = app.state { 89 | app.refresh_stocks(); 90 | } 91 | } 92 | } 93 | -------------------------------------------------------------------------------- /src/lib.rs: -------------------------------------------------------------------------------- 1 | pub mod stock; // 股票结构体 2 | pub mod widget; // UI框架 3 | pub mod events; // 键盘、鼠标事件 4 | pub mod aio; // 异步任务 5 | -------------------------------------------------------------------------------- /src/main.rs: -------------------------------------------------------------------------------- 1 | use std::{ 2 | error::Error, 3 | time::{Duration, Instant}, 4 | }; 5 | 6 | use rust_stock::stock::{App, AppState, CrossTerminal, DynResult, TerminalFrame}; 7 | use rust_stock::{events, widget}; 8 | 9 | use tui::{backend::CrosstermBackend, widgets, Terminal}; 10 | use unicode_width::UnicodeWidthStr; 11 | 12 | fn main() -> DynResult { 13 | let mut app = App::new(); 14 | let mut terminal = init_terminal()?; 15 | main_loop(&mut terminal, &mut app)?; 16 | close_terminal(terminal)?; 17 | 18 | Ok(()) 19 | } 20 | 21 | // 初始化 app 终端 22 | fn init_terminal() -> Result> { 23 | let mut stdout = std::io::stdout(); 24 | crossterm::terminal::enable_raw_mode()?; 25 | // 必须先执行EnableMouseCapture后面才能支持鼠标事件 26 | crossterm::execute!( 27 | stdout, 28 | crossterm::terminal::EnterAlternateScreen, 29 | crossterm::event::EnableMouseCapture 30 | )?; 31 | let backend = CrosstermBackend::new(stdout); 32 | let mut terminal = Terminal::new(backend)?; 33 | terminal.clear()?; 34 | Ok(terminal) 35 | } 36 | 37 | // 关闭 app 终端 38 | fn close_terminal(mut terminal: CrossTerminal) -> DynResult { 39 | crossterm::terminal::disable_raw_mode()?; 40 | crossterm::execute!( 41 | terminal.backend_mut(), 42 | crossterm::event::DisableMouseCapture, 43 | crossterm::terminal::LeaveAlternateScreen 44 | )?; 45 | Ok(()) 46 | } 47 | 48 | // 主事件循环 49 | fn main_loop(terminal: &mut CrossTerminal, app: &mut App) -> DynResult { 50 | let mut last_tick = Instant::now(); 51 | while !app.should_exit { 52 | terminal.draw(|f| { 53 | on_draw(f, app); 54 | })?; 55 | 56 | if crossterm::event::poll( 57 | Duration::from_secs(1) 58 | .checked_sub(last_tick.elapsed()) 59 | .unwrap_or_default(), 60 | )? { 61 | events::on_events(crossterm::event::read()?, app); 62 | } else { 63 | events::on_tick(app); 64 | last_tick = Instant::now(); 65 | } 66 | } 67 | 68 | Ok(()) 69 | } 70 | 71 | // 绘制 72 | fn on_draw(frame: &mut TerminalFrame, app: &mut App) { 73 | let chunks = widget::main_chunks(frame.size()); 74 | 75 | // list的render需要调render_stateful_widget,否则滚动状态不对, 76 | // 这里第一个参数不能是app,否则会和后面的mut stock_state冲突 77 | frame.render_stateful_widget( 78 | widget::stock_list(&app.stocks.lock().unwrap()), 79 | chunks[1], 80 | &mut app.stocks_state, 81 | ); 82 | // 因为render stock_list时会修改滚动状态，后面如果要用到这个值，就需要先做list的render 83 | frame.render_widget(widget::title_bar(app, frame.size()), chunks[0]); 84 | frame.render_widget(widget::stock_detail(app), chunks[2]); 85 | frame.render_widget(widget::status_bar(app), chunks[3]); 86 | 87 | if let AppState::Adding = app.state { 88 | // popup需要先clear一下,否则下面的背景色会透上来 89 | frame.render_widget(widgets::Clear, chunks[4]); 90 | frame.render_widget(widget::stock_input(app), chunks[4]); 91 | 92 | // 显示光标, width()接口依赖一个外部包,可以正确处理中文宽度 93 | frame.set_cursor(chunks[4].x + app.input.width() as u16 + 1, chunks[4].y + 1); 94 | } 95 | } 96 | -------------------------------------------------------------------------------- /src/stock.rs: -------------------------------------------------------------------------------- 1 | #![allow(dead_code)] 2 | 3 | use std::{ 4 | collections::HashMap, 5 | fs, 6 | io::Stdout, 7 | sync::{Arc, Mutex}, 8 | thread, 9 | }; 10 | 11 | use chrono::{DateTime, Local}; // 时间 library 12 | use http_req::request; // 网络 library 13 | use serde::{Deserialize, Serialize}; // 序列化 library 14 | use serde_json::{json, Map, Value}; // 序列化 library 15 | /** 16 | tui：一款超好用的跨平台命令行界面库 17 | 使用 tui.rs 提供的以下模块进行 UI 编写(所有 UI 元素都实现了 Widget 或 StatefuWidget Trait)： 18 | 19 | bakend 用于生成管理命令行的后端 20 | layout 用于管理 UI 组件的布局 21 | style 用于为 UI 添加样式 22 | symbols 描述绘制散点图时所用点的样式 23 | text 用于描述带样式的文本 24 | widgets 包含预定义的 UI 组件 25 | 26 | 项目地址：https://github.com/fdehau/tui-rs 27 | 官方文档：https://docs.rs/tui/latest/tui/index.html 28 | 29 | tui介绍：https://www.51cto.com/article/703696.html 30 | 实时股票数据： https://github.com/tarkah/tickrs 31 | 文件传输工具：https://github.com/veeso/termscp 32 | 网络监控工具：https://github.com/imsnif/bandwhich 33 | 34 | */ 35 | use tui::{backend::CrosstermBackend, widgets::ListState}; // UI library 36 | 37 | pub type DynResult = Result<(), Box>; // Ruesut的类型别名， Err是Trait Object 属于动态类型 38 | pub type CrossTerminal = tui::Terminal>; // 终端后端的类型别名， 39 | pub type TerminalFrame<'a> = tui::Frame<'a, CrosstermBackend>; // 终端Frame的类型别名， 40 | 41 | pub const DB_PATH: &str = ".stocks.json"; // 模拟数据库 42 | 43 | // 股票信息结构体 44 | #[derive(Serialize, Deserialize, Clone, Debug)] 45 | pub struct Stock { 46 | pub title: String, // 股票名称 47 | pub code: String, // 股票代码 48 | pub price: f64, // 股票价格 49 | pub percent: f64, // 股票涨跌 50 | pub open: f64, // 今开 51 | pub yestclose: f64, // 昨收 52 | pub high: f64, // 最高 53 | pub low: f64, // 最低 54 | } 55 | 56 | impl Stock { 57 | pub fn new(code: &String) -> Self { 58 | Self { 59 | code: code.clone(), 60 | title: code.clone(), 61 | price: 0.0, 62 | percent: 0.0, 63 | open: 0.0, 64 | yestclose: 0.0, 65 | high: 0.0, 66 | low: 0.0, 67 | } 68 | } 69 | } 70 | 71 | pub enum AppState { 72 | Normal, 73 | Adding, 74 | } 75 | 76 | pub struct App { 77 | pub should_exit: bool, 78 | pub state: AppState, 79 | pub error: Arc>, 80 | pub input: String, 81 | pub stocks: Arc>>, 82 | // TUI的List控件需要这个state记录当前选中和滚动位置两个状态 83 | pub stocks_state: ListState, 84 | pub last_refresh: Arc>>, 85 | pub tick_count: u128, 86 | } 87 | 88 | impl App { 89 | pub fn new() -> Self { 90 | let mut app = Self { 91 | should_exit: false, 92 | state: AppState::Normal, 93 | input: String::new(), 94 | error: Arc::new(Mutex::new(String::new())), 95 | stocks: Arc::new(Mutex::new([].to_vec())), 96 | // ListState:default为未选择，因为可能 stocks 为空，所以不能自动选第一个 97 | stocks_state: ListState::default(), 98 | last_refresh: Arc::new(Mutex::new(Local::now())), 99 | tick_count: 0, 100 | }; 101 | app.load_stocks().unwrap_or_default(); 102 | app.refresh_stocks(); 103 | app 104 | } 105 | pub fn save_stocks(&self) -> DynResult { 106 | let db = dirs_next::home_dir().unwrap().join(DB_PATH); 107 | // 每个 stock 单独存一个对象，是考虑将来的扩展性 108 | let stocks = self.stocks.lock().unwrap(); 109 | let lists: Vec<_> = stocks 110 | .iter() 111 | .map(|s| HashMap::from([("code", &s.code)])) 112 | .collect(); 113 | fs::write( 114 | &db, 115 | serde_json::to_string(&HashMap::from([("stocks", lists)]))?, 116 | )?; 117 | Ok(()) 118 | } 119 | 120 | pub fn load_stocks(&mut self) -> DynResult { 121 | // 用unwrap_or_default屏蔽文件不存在时的异常 122 | let content = 123 | fs::read_to_string(dirs_next::home_dir().unwrap().join(DB_PATH)).unwrap_or_default(); 124 | // 如果直接转换stocks，必须所有key都对上, 兼容性不好 125 | // self.stocks = serde_json::from_str(&content).unwrap_or_default(); 126 | 127 | // 先读成Map再转换，可以增加兼容性， 128 | let json: Map = serde_json::from_str(&content).unwrap_or_default(); 129 | let mut data = self.stocks.lock().unwrap(); 130 | data.clear(); 131 | data.append( 132 | &mut json 133 | .get("stocks") 134 | .unwrap_or(&json!([])) 135 | .as_array() 136 | .unwrap() 137 | .iter() 138 | .map(|s| { 139 | Stock::new( 140 | &s.as_object() 141 | .unwrap() 142 | .get("code") 143 | .unwrap() 144 | .as_str() 145 | .unwrap() 146 | .to_string(), 147 | ) 148 | }) 149 | .collect(), 150 | ); 151 | 152 | Ok(()) 153 | } 154 | 155 | pub fn refresh_stocks(&mut self) { 156 | let stock_clone = self.stocks.clone(); 157 | let err_clone = self.error.clone(); 158 | let last_refresh_clone = self.last_refresh.clone(); 159 | let codes = self.get_codes(); 160 | if codes.len() > 0 { 161 | thread::spawn(move || { 162 | let mut writer = Vec::new(); 163 | let ret = request::get( 164 | format!("{}{}", "http://api.money.126.net/data/feed/", codes), 165 | &mut writer, 166 | ); 167 | let mut locked_err = err_clone.lock().unwrap(); 168 | if let Err(err) = ret { 169 | *locked_err = format!("{:?}", err); 170 | } else { 171 | let content = String::from_utf8_lossy(&writer); 172 | if content.starts_with("_ntes_quote_callback") { 173 | let mut stocks = stock_clone.lock().unwrap(); 174 | // 网易的返回包了一个js call，用skip,take,collect实现一个substring剥掉它 175 | let json: Map = serde_json::from_str( 176 | &content 177 | .chars() 178 | .skip(21) 179 | .take(content.len() - 23) 180 | .collect::(), 181 | ) 182 | .unwrap(); 183 | for stock in stocks.iter_mut() { 184 | // 如果code不对,返回的json里不包括这个对象, 用unwrap_or生成一个空对象,防止异常 185 | let obj = json 186 | .get(&stock.code) 187 | .unwrap_or(&json!({})) 188 | .as_object() 189 | .unwrap() 190 | .to_owned(); 191 | stock.title = obj 192 | .get("name") 193 | .unwrap_or(&json!(stock.code.clone())) 194 | .as_str() 195 | .unwrap() 196 | .to_owned(); 197 | stock.price = obj.get("price").unwrap_or(&json!(0.0)).as_f64().unwrap(); 198 | stock.percent = 199 | obj.get("percent").unwrap_or(&json!(0.0)).as_f64().unwrap(); 200 | stock.open = obj.get("open").unwrap_or(&json!(0.0)).as_f64().unwrap(); 201 | stock.yestclose = obj 202 | .get("yestclose") 203 | .unwrap_or(&json!(0.0)) 204 | .as_f64() 205 | .unwrap(); 206 | stock.high = obj.get("high").unwrap_or(&json!(0.0)).as_f64().unwrap(); 207 | stock.low = obj.get("low").unwrap_or(&json!(0.0)).as_f64().unwrap(); 208 | 209 | // if json.contains_key(&stock.code) { 210 | // let mut writer2 = Vec::new(); 211 | // request::get(format!("http://img1.money.126.net/data/hs/time/today/{}.json",stock.code), &mut writer2)?; 212 | // println!("{:?}", format!("http://img1.money.126.net/data/hs/time/today/{}.json",stock.code)); 213 | // let json2: Map = serde_json::from_str(&String::from_utf8_lossy(&writer2).to_string())?; 214 | // stock.slice = json2.get("data").unwrap().as_array().unwrap() 215 | // .iter().map(|item| item.as_array().unwrap().get(2).unwrap().as_f64().unwrap()) 216 | // .collect(); 217 | // } 218 | } 219 | let mut last_refresh = last_refresh_clone.lock().unwrap(); 220 | *last_refresh = Local::now(); 221 | *locked_err = String::new(); 222 | } else { 223 | *locked_err = String::from("服务器返回错误"); 224 | } 225 | } 226 | }); 227 | } 228 | } 229 | 230 | // 返回股票代码串 231 | pub fn get_codes(&self) -> String { 232 | let codes: Vec = self 233 | .stocks 234 | .lock() 235 | .unwrap() 236 | .iter() 237 | .map(|stock| stock.code.clone()) 238 | .collect(); 239 | codes.join(",") 240 | } 241 | } 242 | -------------------------------------------------------------------------------- /src/widget.rs: -------------------------------------------------------------------------------- 1 | use tui::{ 2 | layout::{Alignment, Constraint, Direction, Layout, Rect}, 3 | style::{Color, Modifier, Style}, 4 | text::{Span, Spans}, 5 | widgets::{Block, BorderType, Borders, List, ListItem, Paragraph}, 6 | }; 7 | 8 | use crate::stock::{App, AppState, Stock}; 9 | use unicode_width::UnicodeWidthStr; 10 | 11 | const VERSION: &str = env!("CARGO_PKG_VERSION"); 12 | 13 | // 计算所有的屏幕窗口区域,供后续 render 使用 14 | pub fn main_chunks(area: Rect) -> Vec { 15 | let parent = Layout::default() 16 | .direction(Direction::Vertical) 17 | .constraints( 18 | [ 19 | Constraint::Length(1), 20 | Constraint::Min(1), 21 | Constraint::Length(1), 22 | ] 23 | .as_ref(), 24 | ) 25 | .split(area); 26 | 27 | let center = Layout::default() 28 | .direction(Direction::Horizontal) 29 | .margin(0) 30 | .constraints([Constraint::Percentage(30), Constraint::Percentage(70)].as_ref()) 31 | .split(parent[1]); 32 | 33 | // 计算新建stock时的弹框位置 34 | let popup = Layout::default() 35 | .direction(Direction::Vertical) 36 | .constraints( 37 | [ 38 | Constraint::Percentage(40), 39 | Constraint::Length(3), 40 | Constraint::Percentage(40), 41 | ] 42 | .as_ref(), 43 | ) 44 | .split(area); 45 | 46 | let popline = Layout::default() 47 | .direction(Direction::Horizontal) 48 | .margin(0) 49 | .constraints( 50 | [ 51 | Constraint::Percentage(10), 52 | Constraint::Percentage(80), 53 | Constraint::Percentage(10), 54 | ] 55 | .as_ref(), 56 | ) 57 | .split(popup[1]); 58 | 59 | vec![parent[0], center[0], center[1], parent[2], popline[1]] 60 | } 61 | 62 | // 股票列表 63 | pub fn stock_list(stocks: &Vec) -> List { 64 | let items: Vec<_> = stocks 65 | .iter() 66 | .map(|stock| { 67 | ListItem::new(Spans::from(vec![ 68 | Span::styled( 69 | format!("{:+.2}% ", stock.percent * 100.0), 70 | Style::default().fg(if stock.percent < 0.0 { 71 | Color::Green 72 | } else { 73 | Color::Red 74 | }), 75 | ), 76 | Span::styled(stock.title.clone(), Style::default()), 77 | ])) 78 | }) 79 | .collect(); 80 | 81 | List::new(items) 82 | .block( 83 | Block::default() 84 | .borders(Borders::ALL) 85 | .style(Style::default().fg(Color::White)) 86 | .title("列表") 87 | .border_type(BorderType::Plain), 88 | ) 89 | .highlight_style( 90 | Style::default() 91 | .bg(Color::Yellow) 92 | .fg(Color::Black) 93 | .add_modifier(Modifier::BOLD), 94 | ) 95 | } 96 | 97 | // 股票详情 98 | pub fn stock_detail(app: &App) -> Paragraph { 99 | let mut info = String::new(); 100 | let sel = app.stocks_state.selected().unwrap_or(0); 101 | // 这里要防止sel超出列表范围 102 | let stocks = app.stocks.lock().unwrap(); 103 | if app.stocks_state.selected().is_some() && sel < stocks.len() { 104 | let stock = stocks.get(sel).unwrap(); 105 | info = format!( 106 | "代码:{}\n涨跌:{:+.2}%\n当前:{}\n今开:{}\n昨收:{}\n最高:{}\n最低:{}", 107 | stock.code, 108 | stock.percent * 100.0, 109 | stock.price, 110 | stock.open, 111 | stock.yestclose, 112 | stock.high, 113 | stock.low 114 | ); 115 | } 116 | 117 | Paragraph::new(info) 118 | .alignment(Alignment::Center) 119 | .style(Style::default()) 120 | .block( 121 | Block::default() 122 | .title("详情") 123 | .borders(Borders::ALL) 124 | .border_type(BorderType::Plain), 125 | ) 126 | } 127 | 128 | // 插入一个股票 129 | pub fn stock_input(app: &App) -> Paragraph { 130 | Paragraph::new(app.input.as_ref()) 131 | .style(Style::default().fg(Color::Yellow)) 132 | .block(Block::default().borders(Borders::ALL).title("输入证券代码")) 133 | } 134 | 135 | // title bar 信息 ： 【左上】Stock v0.1.0 ---------- 【右上】最后更新 16:15:15 136 | pub fn title_bar(app: &App, rect: Rect) -> Paragraph { 137 | let left = format!("Stock v{}", VERSION); 138 | let error = app.error.lock().unwrap(); 139 | let right = if error.is_empty() { 140 | app.last_refresh 141 | .lock() 142 | .unwrap() 143 | .format("最后更新 %H:%M:%S") 144 | .to_string() 145 | } else { 146 | error.clone() 147 | }; 148 | Paragraph::new(Spans::from(vec![ 149 | Span::raw(left.clone()), 150 | // 使用checked_sub防止溢出 151 | Span::raw( 152 | " ".repeat( 153 | (rect.width as usize) 154 | .checked_sub(right.width() + left.width()) 155 | .unwrap_or(0), 156 | ), 157 | ), 158 | Span::styled( 159 | right, 160 | Style::default().fg(if error.is_empty() { 161 | Color::White 162 | } else { 163 | Color::Red 164 | }), 165 | ), 166 | ])) 167 | .alignment(Alignment::Left) 168 | } 169 | 170 | // 底部操作拦： 171 | pub fn status_bar(app: &mut App) -> Paragraph { 172 | Paragraph::new( 173 | match app.state { 174 | AppState::Normal => "退出[Q] | 新建[N] | 删除[D] | 刷新[R] | 上移[U] | 下移[J]", 175 | AppState::Adding => "确认[Enter] | 取消[ESC] | 上交所代码前需要加0，深市加1", 176 | } 177 | .to_string(), 178 | ) 179 | .alignment(Alignment::Left) 180 | } 181 | --------------------------------------------------------------------------------