Uni app common functions /api

（1）@tap="": Event triggered by finger click  

（2）setTimeout： Set a timer , Execute the registered callback function after the timer expires

（3）uni.showToast： When we need to pop up the prompt box , You can use this function

methods: {
			
			toshow() {
				 uni.showToast({ 
				 title: ' Jump out prompt ',
				  icon: "error"
				});
		
		}

effect ：

（4）uni.showModal: Show modal pop ups , There can be only one OK button , You can also have both OK and Cancel buttons

	methods: {
			
				uni.showModal({
					title:' Warning ',
					content:' I am a bullet box ',
					success: function (res) {
						if(res.confirm) {
							console.log(' I clicked the OK button ');
						} else if (res.cancel) {
							console.log(' I clicked the Cancel button ')
						}
					}
				})
				
			}
		}

effect ：

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（5）uni.showActionSheet： Pop up the operation menu from the bottom

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（6）setTimer： When you need to perform something at regular intervals, you need to use SetTimer function

（7）setInterval：setInterval（） It's a function that can be called regularly , According to the specified period （ In milliseconds ） To call a function or evaluate an expression . Methods will call functions all the time , until clearInterval Called or window closed .

setTimer(){
				let holdTime = 60; // Define variables and assign values 
				this.getCodeText = " Recapture (60)"
				//setInterval（） It's a function that can be called regularly , According to the specified period （ In milliseconds ） To call a function or evaluate an expression .
				//setInterval Methods will call functions all the time , until  clearInterval Called or window closed .
				this.Timer = setInterval(()=>{
					if(holdTime<=0){
						this.getCodeisWaiting = false;
						this.getCodeBtnColor = "#ffffff";
						this.getCodeText = " Get verification code " 
						clearInterval(this.Timer);// Clear this function 
						return ; // Back to front 
					}
					this.getCodeText = " Recapture ("+holdTime+")"
					holdTime--;
				},1000)
			},

（8）clearInterval： Cancel from setInterval Set the timer .

（9）uni.hideKeyboard：() Hide the soft keyboard

（10）uni.showLoading： Show loading Prompt box , It is necessary to call  uni.hideLoading  To close the prompt box .