![Oracle Drags Its Feet in the JavaScript Trademark Dispute](https://cdn.sanity.io/images/cgdhsj6q/production/919c3b22c24f93884c548d60cbb338e819ff2435-1024x1024.webp?w=400&fit=max&auto=format)
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Oracle Drags Its Feet in the JavaScript Trademark Dispute
Oracle seeks to dismiss fraud claims in the JavaScript trademark dispute, delaying the case and avoiding questions about its right to the name.
@uiw/react-amap-text
Advanced tools
点标记是用来标示某个位置点信息的一种地图要素,本章介绍如何在地图图面使用点标记。
import { Text } from '@uiw/react-amap';
// 或者单独安装使用
import { Text } from '@uiw/react-amap-text';
import ReactDOM from 'react-dom';
import React, { useState, useRef } from 'react';
import { Map, APILoader, Text } from '@uiw/react-amap';
const Example = () => {
const [show, setShow] = useState(true);
return (
<>
<button onClick={() => setShow(!show)}>
{show ? '隐藏' : '显示'}
</button>
<div style={{ width: '100%', height: '300px' }}>
<Map zoom={13} center={[116.4, 39.92]}>
<Text
text="纯文本标记"
anchor="center"
draggable={true}
cursor="pointer"
angle={10}
visible={show}
style={{
'padding': '.75rem 1.25rem',
'margin-bottom': '1rem',
'border-radius': '.25rem',
'background-color': 'white',
'width': '15rem',
'border-width': 0,
'box-shadow': '0 2px 6px 0 rgba(114, 124, 245, .5)',
'text-align': 'center',
'font-size': '20px',
'color': 'blue'
}}
// title="北京市"
position={new AMap.LngLat(116.396923,39.918203)}
/>
</Map>
</div>
</>
);
}
const Mount = () => (
<APILoader akey="a7a90e05a37d3f6bf76d4a9032fc9129">
<Example />
</APILoader>
);
export default Mount;
children
定义 text
定义 children
定义的 text
props 将失效。
import ReactDOM from 'react-dom';
import React, { useState, useRef } from 'react';
import { Map, APILoader, Text } from '@uiw/react-amap';
const Example = () => {
const [show, setShow] = useState(true);
return (
<>
<button onClick={() => setShow(!show)}>
{show ? '隐藏' : '显示'}
</button>
<div style={{ width: '100%', height: '300px' }}>
<Map zoom={13} center={[116.4, 39.92]}>
<Text
text="纯文本标记2"
anchor="center"
draggable={true}
cursor="pointer"
className="test-text"
angle={10}
visible={show}
style={{
'padding': '.75rem 1.25rem',
'margin-bottom': '1rem',
'border-radius': '.25rem',
'background-color': 'white',
'width': '15rem',
'border-width': 0,
'box-shadow': '0 2px 6px 0 rgba(114, 124, 245, .5)',
'text-align': 'center',
'font-size': '20px',
'color': 'blue'
}}
// title="北京市"
position={new AMap.LngLat(116.396923,39.918203)}
>
<div style={{ color: 'red' }}>
纯文本标记3
</div>
</Text>
</Map>
</div>
</>
);
}
const Mount = () => (
<APILoader akey="a7a90e05a37d3f6bf76d4a9032fc9129">
<Example />
</APILoader>
);
export default Mount;
由于 text 参数与返回的 text 冲突,定义类型参考如下实例
import ReactDOM from 'react-dom';
import React, { useEffect, useRef } from 'react';
import { Text, TextProps } from './index';
function Demo() {
const textRef = useRef<Omit<TextProps, 'text'> & { text?: AMap.Text }>(null);
useEffect(() => {
if (textRef.current && textRef.current.text) {
textRef.current.text.setStyle({});
}
}, []);
return (
<>
<Text ref={textRef} text="test" />
<Text
ref={(instance) => {
if (instance && instance.map && instance.text) {
const bounds = instance.map?.getBounds()
const txt = instance.text.getBounds();
}
}}
text="test"
/>
</>
);
}
参数 | 说明 | 类型 | 默认值 |
---|---|---|---|
visible | 覆盖物是否可见。 | boolean | - |
text | 标记显示的文本内容。 | string | - |
children | 标记显示的文本内容,text 参数将失效。 | string | - |
参数 | 说明 | 类型 |
---|---|---|
onDblClick | 鼠标左键双击事件 | (event: MapsEvent): void; |
onRightClick | 鼠标右键单击事件 | (event: MapsEvent): void; |
onMouseMove | 鼠标移动 | (event: MapsEvent): void; |
onMouseOver | 鼠标移近点标记时触发事件 | (event: MapsEvent): void; |
onMouseOut | 鼠标移出点标记时触发事件 | (event: MapsEvent): void; |
onMouseDown | 鼠标在点标记上按下时触发事件 | (event: MapsEvent): void; |
onMouseUp | 鼠标在点标记上按下后抬起时触发事件 | (event: MapsEvent): void; |
onDragStart | 开始拖拽点标记时触发事件 | (event: MapsEvent): void; |
onDragging | 鼠标拖拽移动点标记时触发事件 | (event: MapsEvent): void; |
onDragEnd | 点标记拖拽移动结束触发事件 | (event: MapsEvent): void; |
onClick | 鼠标左键单击事件 | (event: MapsEvent): void; |
onMoving | 点标记在执行 | (obj: { passedPath:Array<LngLat> }): void; |
onMoveEnd | 点标记执行moveTo动画结束时触发事件,也可以由moveAlong方法触发 | (): void; |
onMoveAlong | 点标记执行moveAlong动画一次后触发事件 | (): void; |
onTouchStart | 触摸开始时触发事件,仅适用移动设备 | (event: MapsEvent): void; |
onTouchMove | 触摸移动进行中时触发事件,仅适用移动设备 | (event: MapsEvent): void; |
onTouchEnd | 触摸结束时触发事件,仅适用移动设备 | (event: MapsEvent): void; |
FAQs
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