react native滑动输入高级版（刻度尺）
2024-05-17 07:17:19
该版本依旧存在性能问题 但相比上版本有点改善，凑合着用
把ScrollView改成recyclerlistview组件没有性能问题，详情看react native高性能组件recyclerlistview
子组件代码
/** @Author: Chenshy* @Date: 2021-7-14 14:15:49*/
import React, {useState, useEffect, useRef} from 'react';
import {View,Text,Image,ScrollView,StyleSheet,Pressable,TouchableOpacity,Dimensions,
} from 'react-native';
import {scale} from 'react-native-size-matters';import {useNavigation} from '@react-navigation/native';
const {width, height} = Dimensions.get('window');const EntryOfHealthData = props => {// dataNum={{min:50,max:250}} // 刻度尺 起点|| 终点// unit={'cm'} //单位// title={'选择身高'} //标题title// playback={'60'} //回显数据// handleEmail={(e)=>handleEmail(e)} //传值// determine={(e)=>determine(e)} // 确定：sure || 取消：closeconst {dataNum,unit,unit2,unit3,title,playback,handleEmail,determine,handleEmailSbp,handleEmailDpd,} = props;const navigation = useNavigation();// const mulriple = 123.95; // 体重除数// const mulriple2 = 12.395; // 血压/心率 除数//适配// const mulriple = scale(60.22); // 体重除数const mulriple = scale(60.24); // 体重除数60.22-60.3const mulriple2 = scale(609/50.72); // 心率 除数const thisAddres = useRef();const [xcontentOffset, setXcontentOffset] = useState(60);const [xcontentOffset2, setXcontentOffset2] = useState(80);const [xcontentOffsetSbp, setXcontentOffsetSbp] = useState(120);const [xcontentOffsetDpd, setXcontentOffsetDpd] = useState(80);const [rollData, setRollData] = useState(0);const [rollDatass, setRollDatass] = useState(0);const [rollDatasz, setRollDatasz] = useState(0);const [clickJump, setClickJump] = useState({x: playback ? (playback * 1 - dataNum.min * 1) * mulriple : 0,y: 0,animated: true,duration: 1000,}); //点击跳转指定地方const [ss,setSs] = useState({ //x = d * (5/m)x: 120*mulriple/5 , // 1488y: 0,animated: true,duration: 1000,}) // 收缩const [sz,setSz] = useState({x: 80*mulriple/5, // 993y: 0,animated: true,duration: 1000,}) //舒张const [xl,setXl] = useState({x: 80*mulriple2,y: 0,animated: true,duration: 1000,}) //心率const [tz,setTz] = useState({x: 60*mulriple,y: 0,animated: true,duration: 1000,}) //体重const [datas, setDatas] = useState([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77,78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112,113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157,158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172,173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187,188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202,203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217,218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232,233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247,248, 249, 250,]);const [heart, setHeart] = useState([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50,51,52,53,54,55,56,57,58,59,60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78,79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97,98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112,113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124,]);const [sbp, setSbp] = useState([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77,78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112,113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157,158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172,173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187,188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200,]);const [dpd, setDpd] = useState([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58,59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77,78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96,97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112,113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127,128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157,158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172,173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187,188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200,]);const [newData, setNewData] = useState([]);useEffect(() => {if (title == '录入心率') setNewData(heart);if (title == '录入体重') setNewData(datas);setTimeout(() => {let newss = JSON.parse(JSON.stringify(ss))newss.x = newss.x*1 + 0.001 let newsz = JSON.parse(JSON.stringify(sz))newsz.x = newsz.x*1 + 0.001 let newxl = JSON.parse(JSON.stringify(xl))newxl.x = newxl.x*1 + 0.001 let newtz = JSON.parse(JSON.stringify(tz))newtz.x = newtz.x*1 + 0.001 setSs(newss)setSz(newsz)setXl(newxl)setTz(newtz)}, 100);// console.log(props.dataNum);// let arr = [];// for (let i = dataNum.min * 1; i < dataNum.max * 1; i++) {// arr.push(i);// }// setDatas(arr);// console.log(arr);}, []);const getData = event => { // 心率 体重console.log(event.nativeEvent.contentOffset.x); //水平滚动距离// console.log(event.nativeEvent.contentOffset.y); //垂直滚动距离let distance = 0;if (title == '录入心率') {distance = Math.round(Math.round(event.nativeEvent.contentOffset.x) / mulriple2,);// distance = (event.nativeEvent.contentOffset.x / mulriple2).toFixed(0); //换算后当前所在的页面刻度setXcontentOffset(distance * 1 );setXcontentOffset2(distance * 1 );handleEmail(distance * 1 );setTimeout(() => {handleEmail(distance * 1);}, 100);} else { //体重// distance = (// Math.round(event.nativeEvent.contentOffset.x) / mulriple*2// ).toFixed(1); //换算后当前所在的页面刻度distance = (event.nativeEvent.contentOffset.x / mulriple).toFixed(1); //换算后当前所在的页面刻度setXcontentOffset(distance * 1); // 需加上dataNum.min才能显示真正所需刻度handleEmail(distance * 1);setTimeout(() => {handleEmail(distance * 1);}, 100);}// setXcontentOffset(distance * 1 + dataNum.min * 1); // 需加上dataNum.min才能显示真正所需刻度// handleEmail(distance * 1 + dataNum.min * 1);// setRollData(event.nativeEvent.contentOffset.x)};const getDataSbp = event => { //收缩压let distance = Math.round( Math.round(event.nativeEvent.contentOffset.x) / mulriple*5, );// d = x / m*5// x = d*m/5setXcontentOffsetSbp(distance * 1 );handleEmailSbp(distance * 1 );// setRollDatass(event.nativeEvent.contentOffset.x)setTimeout(() => {handleEmailSbp(distance * 1);}, 100);};const getDataDpd = event => { //舒张压let distance = Math.round(Math.round(event.nativeEvent.contentOffset.x) / mulriple*5,);setXcontentOffsetDpd(distance * 1 );handleEmailDpd(distance * 1 );// setRollDatasz(event.nativeEvent.contentOffset.x)setTimeout(() => {handleEmailDpd(distance * 1);}, 100);};const thisadd = (index, minIndex) => {//点击跳转// console.log(index,minIndex);setClickJump({// x: (index+1)*124-12+12*minIndex,x: index * scale(124) - 7,y: 0,animated: true,duration: 1000,});// thisAddres.current.measure((frameX, frameY, frameWidth, frameHeight, pageX, pageY)=>{// // console.log(frameX);// // console.log(frameY);// // console.log(frameWidth); // 当前组件的宽度// // console.log(frameHeight); // 当前组件的高度// console.log(pageX); // 当前组件距离左侧的距离// // console.log(pageY); // 当前组件距离顶部的距离// });};// 暂时无用const repeatCall = (title) =>{ //心率体重滑动结束后再动一次// let newDatas// setTimeout(() => {// console.log('重复调用',title);// if(title == '录入体重'){// newDatas = JSON.parse(JSON.stringify(tz))// newDatas.x = rollData*1+0.0001// setTz(newDatas)// }else{// newDatas = JSON.parse(JSON.stringify(xl))// newDatas.x = rollData*1+0.0001// setXl(newDatas)// }// }, 300);}const repeatCallss = (title) =>{ //收缩滑动结束后再动一次// let newDatas// setTimeout(() => {// console.log('收缩重复调用',title);// newDatas = JSON.parse(JSON.stringify(ss))// newDatas.x = rollDatass*1+0.0001// setSs(newDatas)// }, 300);}const repeatCallsz = (title) =>{ //舒张滑动结束后再动一次// let newDatas// setTimeout(() => {// console.log('舒张重复调用',title);// newDatas = JSON.parse(JSON.stringify(sz))// newDatas.x = rollDatasz*1+0.0001// setSz(newDatas)// }, 300);}return title != '录入血压' ? (<View style={styles.bigBox}><View style={styles.topBox}>{/* <TouchableOpacitystyle={styles.closeIco}onPress={() => determine('close')}><Imagestyle={styles.closeImg}source={require('../assets/images/common/icon-modal-close.png')}/></TouchableOpacity> */}<Text></Text><Text>{title}</Text><Text></Text>{/* <TouchableOpacitystyle={styles.closeIco}onPress={() => determine('sure')}><Text style={{fontSize: scale(15), color: '#677FD5'}}>确定</Text></TouchableOpacity> */}</View><View style={[styles.num, {justifyContent: 'center'}]}><Textstyle={{fontSize: scale(18), color: '#677FD5', fontWeight: 'bold'}}>{title == '录入心率'? xcontentOffset2 : xcontentOffset}{unit ? unit : 'cm'}</Text></View><Viewstyle={{width: scale(6),height: scale(40),backgroundColor: '#677FD5',position: 'absolute',zIndex: 9999999999,bottom: scale(100),borderRadius: scale(20),}}></View><ScrollViewhorizontal={true}style={styles.keduchi}onScroll={e => getData(e)}scrollEventThrottle={1}onMomentumScrollEnd={ e => repeatCall(title)}// onMomentumScrollEnd={e =>getData(e)} // 滚动结束时调用showsHorizontalScrollIndicator={false} // 滚动条contentOffset={title == '录入体重' ? tz : xl} // 定位pinchGestureEnabled={false} // 允许双指缩放 iosdirectionalLockEnabled={true} // 锁定横向滚动 ios><View style={{width: scale(175)}}></View>{newData.map((item, index) => {return (title == '录入体重'?<Viewkey={index}style={[styles.maxScale,{width: scale(60.25)},datas.length == index + 1 ? {borderRightWidth: scale(1)} : null,]}><Pressablestyle={styles.kdText}onPress={() => thisadd(index, 0)}><Text style={{color: '#333333', fontSize: scale(12)}}>{item}</Text></Pressable><Pressablestyle={styles.minScale}onPress={() => thisadd(index, 1)}></Pressable><Pressablestyle={styles.minScale}onPress={() => thisadd(index, 2)}></Pressable><Pressablestyle={styles.minScale}onPress={() => thisadd(index, 3)}></Pressable><Pressablestyle={styles.minScale}onPress={() => thisadd(index, 4)}></Pressable></View>:<Viewkey={index}style={[styles.maxScale2,(item * 1) % 5 == 0?{height: scale(40)}:null,]}><Pressablestyle={styles.kdText}onPress={() => thisadd(index, 0)}><Text style={{color: '#333333', fontSize: scale(12)}}>{(item * 1 ) % 5 == 0 ? item : null}</Text></Pressable></View>);})}<View style={{width: scale(174)}}></View></ScrollView><View style={styles.sumbutBox}><TouchableOpacitystyle={styles.sumbut}onPress={() => determine('close')}><Text style={{fontSize: scale(15), color: '#677FD5'}}>取消</Text></TouchableOpacity><TouchableOpacitystyle={[styles.sumbut, {backgroundColor: '#677FD5'}]}onPress={() => determine('sure',title)}><Text style={{fontSize: scale(15), color: '#fff'}}>确定</Text></TouchableOpacity></View></View>) : (<View style={[styles.bigBox, {height: scale(400)}]}><View style={styles.topBox}><Text></Text><Text>{title}</Text><Text></Text></View><View style={styles.num}><Text style={{color: '#333333', fontSize: scale(18)}}>收缩压</Text><Textstyle={{fontSize: scale(18), color: '#677FD5', fontWeight: 'bold'}}>{xcontentOffsetSbp}{unit2 ? unit2 : 'cm'}</Text><View style={{width: scale(50)}}></View></View><Viewstyle={{width: scale(6),height: scale(40),backgroundColor: '#677FD5',position: 'absolute',zIndex: 9999999999,bottom: scale(240),borderRadius: scale(20),}}></View><ScrollViewhorizontal={true}style={styles.keduchi}onScroll={e => getDataSbp(e)}scrollEventThrottle={1}onMomentumScrollEnd={ e => repeatCallss(title)}// onMomentumScrollEnd={e =>getData(e)} // 滚动结束时调用showsHorizontalScrollIndicator={false} // 滚动条contentOffset={ss} // 定位pinchGestureEnabled={false} // 允许双指缩放 iosdirectionalLockEnabled={true} // 锁定横向滚动 ios><View style={{width: scale(175)}}></View>{sbp.map((item, index) => {return (<Viewkey={index}style={[styles.maxScale2,(item * 1) % 5 == 0?{height: scale(40)}:null,]}><Pressablestyle={styles.kdText}onPress={() => thisadd(index, 0)}><Text style={{color: '#333333', fontSize: scale(12)}}>{(item*1)%5==0?item:null}</Text></Pressable></View>);})}<View style={{width: scale(174)}}></View></ScrollView><View style={styles.num}><Text style={{color: '#333333', fontSize: scale(18)}}>舒张压</Text><Textstyle={{fontSize: scale(18), color: '#677FD5', fontWeight: 'bold'}}>{xcontentOffsetDpd}{unit3 ? unit3 : 'cm'}</Text><View style={{width: scale(50)}}></View></View><Viewstyle={{width: scale(6),height: scale(40),backgroundColor: '#677FD5',position: 'absolute',zIndex: 9999999999,bottom: scale(86),borderRadius: scale(20),}}></View><ScrollViewhorizontal={true}style={styles.keduchi}onScroll={e => getDataDpd(e)}scrollEventThrottle={1}onMomentumScrollEnd={ e => repeatCallsz(title)}// onMomentumScrollEnd={e =>getData(e)} // 滚动结束时调用showsHorizontalScrollIndicator={false} // 滚动条contentOffset={sz} // 定位pinchGestureEnabled={false} // 允许双指缩放 iosdirectionalLockEnabled={true} // 锁定横向滚动 ios><View style={{width: scale(175)}}></View>{dpd.map((item, index) => {return (<Viewkey={index}style={[styles.maxScale2,(item * 1) % 5 == 0?{height: scale(40)}:null,]}><Pressablestyle={styles.kdText}onPress={() => thisadd(index, 0)}><Text style={{color: '#333333', fontSize: scale(12)}}>{(item * 1 ) % 5 == 0 ? item : null}</Text></Pressable></View>);})}<View style={{width: scale(174)}}></View></ScrollView><View style={styles.sumbutBox}><TouchableOpacitystyle={styles.sumbut}onPress={() => determine('close')}><Text style={{fontSize: scale(15), color: '#677FD5'}}>取消</Text></TouchableOpacity><TouchableOpacitystyle={[styles.sumbut, {backgroundColor: '#677FD5'}]}onPress={() => determine('sure')}><Text style={{fontSize: scale(15), color: '#fff'}}>确定</Text></TouchableOpacity></View></View>);
};const styles = StyleSheet.create({bigBox: {flexDirection: 'column',backgroundColor: '#fff',height: scale(262),borderRadius: scale(20),alignItems: 'center',// width:scale(500)},topBox: {height: scale(54),width: '100%',backgroundColor: '#fff',borderRadius: scale(20),flexDirection: 'row',justifyContent: 'space-between',alignItems: 'center',},closeIco: {marginLeft: scale(10),marginRight: scale(10),width: scale(40),height: scale(40),justifyContent: 'center',alignItems: 'center',},closeImg: {width: scale(15),height: scale(15),},num: {paddingTop: scale(38),marginBottom: scale(16),backgroundColor: '#fff',borderTopWidth: scale(0.5),borderColor: '#F0F0F0',width: '100%',flexDirection: 'row',justifyContent: 'space-between',alignItems: 'center',borderTopColor: '#F0F0F0',},keduchi: {// backgroundColor: 'red',},maxScale: {width: scale(120.5),height: scale(40),borderColor: '#7a7a7a',borderLeftWidth: scale(1),// borderBottomWidth: scale(1),flexDirection: 'row',alignItems: 'flex-start',},maxScale2: {width: scale(12.05),height: scale(20),borderColor: '#7a7a7a',borderLeftWidth: scale(1),// borderBottomWidth: scale(1),flexDirection: 'row',alignItems: 'flex-end',},kdText: {position: 'absolute',bottom: scale(-18),left: scale(-16),minWidth: scale(30),alignItems: 'center',},minScale: {borderRightWidth: scale(1),borderColor: '#7a7a7a',height: scale(20),width: scale(12.1),},sumbutBox: {// backgroundColor: 'red',flexDirection: 'row',justifyContent: 'space-around',alignItems: 'flex-end',width: width,// borderTopWidth: scale(1),// borderColor: '#ccc',},sumbut: {width: scale(140),height: scale(40),borderRadius: scale(40),borderColor: '#677FD5',borderWidth: scale(1),justifyContent: 'center',alignItems: 'center',},
});export default EntryOfHealthData;父组件代码
引入使用
<EntryOfHealthDatadataNum={{ min: 20, max: 200 }}unit={activeTab == 2 ? 'kg' : '次/分'} //单位title={activeTab == 2? '录入体重': activeTab == 1? '录入心率': '录入血压'} //标题title// playback={0} //回显数据handleEmail={data => handleEmail(data)} //传值handleEmailSbp={data => handleEmailSbp(data)} //传值handleEmailDpd={data => handleEmailDpd(data)} //传值determine={(type, index) => determine(type, index)} // 确定 || 取消/>
方法
const handleEmail = data => {// console.log('从子组件拿值==', data);};const determine = (type, index) => {};const handleEmailSbp = data => {console.log('高压', data);};const handleEmailDpd = data => {console.log('低压==', data);};
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