utils.js
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/**
* 一些公共方法设定
*/
import {
Dimensions,
Platform
} from 'react-native';
import Toast from 'react-native-root-toast';
import moment from 'moment';
//Toast
export function xnToast(content){
if (global.toast !== undefined) {
Toast.hide(toast);
}
global.toast = Toast.show(content.toString(), {
duration: Toast.durations.SHORT,
position: Toast.positions.CENTER,
shadow: true,
animation: true,
hideOnPress: true,
delay: 0
});
};
//是否IphoneX
export function isIphoneX(){
let dimen = Dimensions.get('window');
return (
Platform.OS === 'ios' &&
!Platform.isPad &&
!Platform.isTVOS &&
(dimen.height === 812 || dimen.width === 812)
);
};
//设置头部填充高度
export function getHeaderHeight(){
if( Platform.OS === 'android'){
return 48;
}else if(Platform.OS === 'ios') {
if(isIphoneX()){
return 88;
}else {
return 64;
}
}
};
//设置头部上边距
export function getHeaderPadding(){
if( Platform.OS === 'android'){
return 0;
}else if(Platform.OS === 'ios') {
if(isIphoneX()){
return 44;
}else {
return 20;
}
}
};
//设置底部填充高度
export function getFooterBottom(){
if( Platform.OS === 'android'){
return 0;
}else if(Platform.OS === 'ios') {
if(isIphoneX()){
return 34;
}else {
return 0;
}
}
};
//时间显示(今天、昨天)
export function timeShow(time){
let timeStr = time;
if (timeStr.length == 10){
timeStr = timeStr +'000';
}
if (new Date(Number(timeStr)).toDateString() === new Date().toDateString()) {
//今天
return "今天";
} else if (isYestday(timeStr)){
//之前
return "昨天";
}
};
function isYestday(theDate){
let date = (new Date()); //当前时间
let today = new Date(date.getFullYear(), date.getMonth(), date.getDate()).getTime(); //今天凌晨
let yestday = new Date(today - 24*3600*1000).getTime();
return theDate.getTime() < today && yestday <= theDate.getTime();
};
//数量处理
export function numChange(num){
if(num > 100000){
number = '10w+';
}else if(num >= 10000){
number = parseFloat(num/10000).toFixed(1)+'w';
}else if(num >= 1000){
number = parseFloat(num/1000).toFixed(1)+'k';
}else{
number = num;
}
return number;
};
//时间戳处理(xxx前)
export function timeChange(timespan){
var dateTime = new Date(timespan);
var year = dateTime.getFullYear();
var month = dateTime.getMonth() + 1;
var day = dateTime.getDate();
var hour = dateTime.getHours();
var minute = dateTime.getMinutes();
var second = dateTime.getSeconds();
var now = new Date();
var now_new = Number(now); //typescript转换写法
var milliseconds = 0;
var timeSpanStr;
milliseconds = now_new - timespan;
if (milliseconds <= 1000 * 60 * 1) {
timeSpanStr = '刚刚';
}
else if (1000 * 60 * 1 < milliseconds && milliseconds <= 1000 * 60 * 60) {
timeSpanStr = Math.round((milliseconds / (1000 * 60))) + '分钟前';
}
else if (1000 * 60 * 60 * 1 < milliseconds && milliseconds <= 1000 * 60 * 60 * 24) {
timeSpanStr = Math.round(milliseconds / (1000 * 60 * 60)) + '小时前';
}
else if (1000 * 60 * 60 * 24 < milliseconds && milliseconds <= 1000 * 60 * 60 * 24 * 15) {
timeSpanStr = Math.round(milliseconds / (1000 * 60 * 60 * 24)) + '天前';
}
else if (milliseconds > 1000 * 60 * 60 * 24 * 15 && year == now.getFullYear()) {
if(month < 10){
month = '0' + month;
}
if(day < 10){
day = '0' + day;
}
timeSpanStr = month + '-' + day;
} else {
if(month < 10){
month = '0' + month;
}
if(day < 10){
day = '0' + day;
}
timeSpanStr = year + '-' + month + '-' + day;
}
return timeSpanStr;
};
//时间戳处理(x月x日)
export function dateChange(time){
let year = new Date(time).getFullYear();
if(year == new Date().getFullYear()){
return moment(time).format('MM-DD')
}else{
return moment(time).format('YYYY-MM-DD')
}
};
//钟表
export function clock(){
let now = new Date();
let hours = now.getHours();
let minutes = now.getMinutes();
let seconds = now.getSeconds();
if(hours < 10){
hours = '0' + hours;
}
if(minutes < 10){
minutes = '0' + minutes;
}
if(seconds < 10){
seconds = '0' + seconds;
}
return (hours + ':' + minutes + ':' + seconds);
}