let timer;

let onDrawing = false; // 是否可进行抽奖标识，默认为false可进行抽奖

let drawIndex = 0; //抽奖过程KEY

Component({

/**

* 组件的属性列表

*/

properties: {

},

/**

* 关闭组件样式隔离

*/

options: {

styleIsolation: 'apply-shared'

},

/**

* 组件的初始数据

*/

data: {

// 奖品参数信息

prizeList: [

{ id: '001', index: 1, imgsrc: 'https://hbimg.huabanimg.com/18b925338313c77ee90c6a0a2f052a7988e10ce515ca7-T4bMZ0_fw658', prizeName: '谢谢参与' },

{ id: '002', index: 2, imgsrc: 'https://hbimg.huabanimg.com/2acfd641286f1a7e4050ca13e207c1d2fc2cbf5f12ca2-W5O1vm_fw658', prizeName: '金币 x20' },

{ id: '003', index: 3, imgsrc: 'https://hbimg.huabanimg.com/72138f8f82134a9099eaa02d5d81fa738519716021e4c-idXlQk_fw658', prizeName: '火箭 x1' },

{ id: '004', index: 4, imgsrc: 'https://hbimg.huabanimg.com/96e0a27d3a6b25dacd7157db6879b63be9e1addd126ac-sMVvOt_fw658', prizeName: '神秘礼盒 x1' },

{ id: '005', index: 5, imgsrc: 'https://hbimg.huabanimg.com/aa694a1e151f2cb8d8583eee9d1cbf0342b5577b953c-O0MFoR_fw658', prizeName: '水晶血瓶 x1' },

{ id: '006', index: 6, imgsrc: 'https://hbimg.huabanimg.com/2fe60709c9479b41ec3eef7fff1101f683b4ad89254af-HNdtDR_fw658', prizeName: '金币 x10' },

{ id: '007', index: 7, imgsrc: 'https://hbimg.huabanimg.com/407d1f6d9aa47e757994d9474dba7257c4c73bd11123a-5juBN1_fw658', prizeName: '水晶钻石 x5' },

{ id: '008', index: 8, imgsrc: 'https://hbimg.huabanimg.com/513f6f7d9f323e7cc3e252444237a84b52a98890c375-LGfXRi_fw658', prizeName: '水晶盒 x1' },

],

drawIndex: null, //抽奖过程KEY

prizeResult: null, //抽奖结果KEY

prizeName: null, //抽奖结果KEY对应的奖品名称

isShowLuck: false, // 是否显示奖品弹窗，默认false不显示

showAgain: false, //是否抽奖后显示再抽一次按钮

awardImage: '', // 弹窗展示的奖品照片

awardName:'', // 弹窗展示的奖品名字

},

/**

* 组件的方法列表

*/

methods: {

//抽奖操作

startDraw() {

if (onDrawing) {

return;

} else {

onDrawing = true;

}

clearInterval(timer);

timer = setInterval(()=>{

this.changePrize()

}, 80);

// 随机将品池

let random = Math.floor(Math.random() * this.data.prizeList.length)

let res = {

stutus: 1,

prizeResult: this.data.prizeList[random].index,

prizeName: this.data.prizeList[random].prizeName,

}

if (res.stutus == 1) {

setTimeout( ()=> {

clearInterval(timer);

timer = setInterval(()=>{

this.changePrize()

}, 200);

setTimeout( ()=> {

clearInterval(timer);

timer = setInterval(()=>{

this.changePrize()

}, 420);

setTimeout( () => {

this.setData({

prizeResult: res.prizeResult,

prizeName: res.prizeName,

});

}, 1000)

}, 1200)

}, 1800)

}

},

//抽奖过程奖品切换

changePrize() {

drawIndex++;

drawIndex = drawIndex > 8 ? 1 : drawIndex;

this.setData({

drawIndex: drawIndex

});

if (this.data.prizeResult == drawIndex) {

clearInterval(timer);

let currentAward = this.data.prizeList[this.data.prizeResult - 1]

this.setData({

showAgain: true,

isShowLuck: true,

awardImage: currentAward.imgsrc,

awardName: currentAward.prizeName

});

}

},

//点击再抽一次按钮

againBtn() {

onDrawing = false;

drawIndex = 0; //抽奖过程KEY

this.setData({

drawIndex: null, // 清空抽奖过程KEY

prizeResult: null, // 清空抽奖结果KEY

prizeName: null, // 清空抽奖结果KEY对应的奖品名称

showAgain: false, // 是否抽奖后显示再抽一次按钮

awardImage: '', // 清空奖品展示的图片

awardName: '' // 清空奖品的展示名称

});

},

// 关闭奖品弹簧

closePopup(){

this.setData({

isShowLuck: false

})

}

}

})