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当前pyecharts
的版本为1.9.0。
components
包概述components
包位于pyecharts
包顶级目录中,用于定义pyecharts
的HTML组件。包结构如下:
├─components # HTML组件包
│ │ image.py # 定义图像组件类Image
│ │ table.py # 定义表格组件类Table
│ │ __init__.py # 重构命名空间,将组件类命名空间提升至components包命名空间
目前HTML组件类Table
和Image
与复合图表类Page
不兼容。
Table
类pyecharts/components/table.py
模块只定义了表格组件类Table
。
Table
类继承自基类ChartMixin
,作用为绘制表格。功能依赖第三方库prettytable
(pyecharts
依赖库)。
Table
类的签名为class Table(page_title: str = CurrentConfig.PAGE_TITLE, js_host: str = "")
。
Table
类的构造方法参数如下:
js_host
:JavaScript库的URL。字符串,默认值为""
。page_title
:HTML页面标题。字符串,默认值为全局变量CurrentConfig.PAGE_TITLE
。Table
类的属性如下:
js_host
:JavaScript库的URL。字符串,默认值为全局变量CurrentConfig.ONLINE_HOST
。属性值为构造方法参数js_host
与全局变量CurrentConfig.ONLINE_HOST
进行或操作的结果。page_title
:HTML页面标题。字符串。值为构造方法参数page_title
值。js_functions
:自定义JavaScript语句。类型为OrderedSet
对象。默认值为OrderedSet()
。js_dependencies
:定义JavaScript依赖库。类型为OrderedSet
对象。默认值为OrderedSet("echarts")
。title_opts
:表格标题配置。类型为ComponentTitleOpts
对象,默认值为ComponentTitleOpts()
。标题配置包括title
、subtitle
、title_style
、subtitle_style
等4个配置项。html_content
:表格的HTML。字符串,默认值为""
。_component_type
:组件类型。字符串,默认值为"table"
。chart_id
:组件id。字符串,默认值为uuid.uuid4().hex
。Table
类的方法如下:
add(self, headers: Sequence, rows: Sequence, attributes: Optional[dict] = None)
:添加图表数据。
headers
:图表标题行。类型为序列。rows
:图表行数据。类型为序列。attributes
:图表样式属性。类型为字典。默认值为None or {"class": "fl-table"}
def set_global_opts(title_opts: Union[ComponentTitleOpts, dict, None] = None)
:将表格对象的title_opts
属性值设置为title_opts
参数值。render
:调用render
包engine
模块中的render
函数渲染HTML文档。默认渲染模板为components.html
。render_embed
:调用render
包engine
模块中的render_embed
函数输出HTML字符串。默认渲染模板为components.html
。render_notebook
:调用render
包engine
模块中的render_notebook
函数将输出嵌入到notebook中。默认渲染模板为 nb_components.html
。macro
部分源码:
{%- macro gen_components_content(chart) %} {% if chart._component_type == "table" %} <style> .fl-table { margin: 20px; border-radius: 5px; font-size: 12px; border: none; border-collapse: collapse; max-width: 100%; white-space: nowrap; word-break: keep-all; } .fl-table th { text-align: left; font-size: 20px; } .fl-table tr { display: table-row; vertical-align: inherit; border-color: inherit; } .fl-table tr:hover td { background: #00d1b2; color: #F8F8F8; } .fl-table td, .fl-table th { border-style: none; border-top: 1px solid #dbdbdb; border-left: 1px solid #dbdbdb; border-bottom: 3px solid #dbdbdb; border-right: 1px solid #dbdbdb; padding: .5em .55em; font-size: 15px; } .fl-table td { border-style: none; font-size: 15px; vertical-align: center; border-bottom: 1px solid #dbdbdb; border-left: 1px solid #dbdbdb; border-right: 1px solid #dbdbdb; height: 30px; } .fl-table tr:nth-child(even) { background: #F8F8F8; } </style> <div id="{{ chart.chart_id }}" class="chart-container" style=""> <p class="title" {{ chart.title_opts.title_style }}> {{ chart.title_opts.title }}</p> <p class="subtitle" {{ chart.title_opts.subtitle_style }}> {{ chart.title_opts.subtitle }}</p> {{ chart.html_content }} </div>
components.html
源码:
{% import 'macro' as macro %}
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>{{ chart.page_title }}</title>
</head>
<body>
{{ macro.gen_components_content(chart) }}
</body>
</html>
from pyecharts.components import Table table = Table() headers = ["City name", "Area", "Population", "Annual Rainfall"] rows = [ ["Brisbane", 5905, 1857594, 1146.4], ["Adelaide", 1295, 1158259, 600.5], ["Darwin", 112, 120900, 1714.7], ["Hobart", 1357, 205556, 619.5], ["Sydney", 2058, 4336374, 1214.8], ["Melbourne", 1566, 3806092, 646.9], ["Perth", 5386, 1554769, 869.4], ] attributes={"border":"1px"} table.add(headers, rows) table.set_global_opts({"title":"Table-基本示例", "subtitle":"我是副标题支持换行哦", "title_style":"style='color:red'", "subtitle_style":"style='color:green'" }) table.render()
pyecharts/components/table.py
模块源码import uuid from jinja2 import Environment from prettytable import PrettyTable from ..charts.mixins import ChartMixin from ..commons.utils import OrderedSet from ..globals import CurrentConfig from ..options import ComponentTitleOpts from ..render import engine from ..types import Optional, Sequence, Union class Table(ChartMixin): def __init__(self, page_title: str = CurrentConfig.PAGE_TITLE, js_host: str = ""): self.page_title = page_title self.js_host = js_host or CurrentConfig.ONLINE_HOST self.js_dependencies: OrderedSet = OrderedSet() self.js_functions: OrderedSet = OrderedSet() self.title_opts: ComponentTitleOpts = ComponentTitleOpts() self.html_content: str = "" self._component_type: str = "table" self.chart_id: str = uuid.uuid4().hex def add(self, headers: Sequence, rows: Sequence, attributes: Optional[dict] = None): attributes = attributes or {"class": "fl-table"} table = PrettyTable(headers, attributes=attributes) for r in rows: table.add_row(r) self.html_content = table.get_html_string() return self def set_global_opts(self, title_opts: Union[ComponentTitleOpts, dict, None] = None): self.title_opts = title_opts return self def render( self, path: str = "render.html", template_name: str = "components.html", env: Optional[Environment] = None, **kwargs, ) -> str: return engine.render(self, path, template_name, env, **kwargs) def render_embed( self, template_name: str = "components.html", env: Optional[Environment] = None, **kwargs, ) -> str: return engine.render_embed(self, template_name, env, **kwargs) def render_notebook(self): # only notebook env need to re-generate chart_id self.chart_id = uuid.uuid4().hex return engine.render_notebook(self, "nb_components.html", "nb_components.html")
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