util.js 15 KB

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  1. import {
  2. TOKENNAME,
  3. HTTP_REQUEST_URL
  4. } from '../config/app.js';
  5. import store from '../store';
  6. import {
  7. pathToBase64
  8. } from '@/plugin/image-tools/index.js';
  9. // #ifdef APP-PLUS
  10. // import permision from "permission.js"
  11. // #endif
  12. export default {
  13. /**
  14. * opt object | string
  15. * to_url object | string
  16. * 例:
  17. * this.Tips('/pages/test/test'); 跳转不提示
  18. * this.Tips({title:'提示'},'/pages/test/test'); 提示并跳转
  19. * this.Tips({title:'提示'},{tab:1,url:'/pages/index/index'}); 提示并跳转值table上
  20. * tab=1 一定时间后跳转至 table上
  21. * tab=2 一定时间后跳转至非 table上
  22. * tab=3 一定时间后返回上页面
  23. * tab=4 关闭所有页面跳转至非table上
  24. * tab=5 关闭当前页面跳转至table上
  25. */
  26. Tips: function(opt, to_url) {
  27. if (typeof opt == 'string') {
  28. to_url = opt;
  29. opt = {};
  30. }
  31. let title = opt.title || '',
  32. icon = opt.icon || 'none',
  33. endtime = opt.endtime || 2000,
  34. success = opt.success;
  35. if (title) uni.showToast({
  36. title: title,
  37. icon: icon,
  38. duration: endtime,
  39. success
  40. })
  41. if (to_url != undefined) {
  42. if (typeof to_url == 'object') {
  43. let tab = to_url.tab || 1,
  44. url = to_url.url || '';
  45. switch (tab) {
  46. case 1:
  47. //一定时间后跳转至 table
  48. setTimeout(function() {
  49. uni.switchTab({
  50. url: url
  51. })
  52. }, endtime);
  53. break;
  54. case 2:
  55. //跳转至非table页面
  56. setTimeout(function() {
  57. uni.navigateTo({
  58. url: url,
  59. })
  60. }, endtime);
  61. break;
  62. case 3:
  63. //返回上页面
  64. setTimeout(function() {
  65. // #ifndef H5
  66. uni.navigateBack({
  67. delta: parseInt(url),
  68. })
  69. // #endif
  70. // #ifdef H5
  71. history.back();
  72. // #endif
  73. }, endtime);
  74. break;
  75. case 4:
  76. //关闭当前所有页面跳转至非table页面
  77. setTimeout(function() {
  78. uni.reLaunch({
  79. url: url,
  80. })
  81. }, endtime);
  82. break;
  83. case 5:
  84. //关闭当前页面跳转至非table页面
  85. setTimeout(function() {
  86. uni.redirectTo({
  87. url: url,
  88. })
  89. }, endtime);
  90. break;
  91. }
  92. } else if (typeof to_url == 'function') {
  93. setTimeout(function() {
  94. to_url && to_url();
  95. }, endtime);
  96. } else {
  97. //没有提示时跳转不延迟
  98. setTimeout(function() {
  99. uni.navigateTo({
  100. url: to_url,
  101. })
  102. }, title ? endtime : 0);
  103. }
  104. }
  105. },
  106. /**
  107. * 移除数组中的某个数组并组成新的数组返回
  108. * @param array array 需要移除的数组
  109. * @param int index 需要移除的数组的键值
  110. * @param string | int 值
  111. * @return array
  112. *
  113. */
  114. ArrayRemove: function(array, index, value) {
  115. const valueArray = [];
  116. if (array instanceof Array) {
  117. for (let i = 0; i < array.length; i++) {
  118. if (typeof index == 'number' && array[index] != i) {
  119. valueArray.push(array[i]);
  120. } else if (typeof index == 'string' && array[i][index] != value) {
  121. valueArray.push(array[i]);
  122. }
  123. }
  124. }
  125. return valueArray;
  126. },
  127. /**
  128. * 生成海报获取文字
  129. * @param string text 为传入的文本
  130. * @param int num 为单行显示的字节长度
  131. * @return array
  132. */
  133. textByteLength: function(text, num) {
  134. let strLength = 0;
  135. let rows = 1;
  136. let str = 0;
  137. let arr = [];
  138. for (let j = 0; j < text.length; j++) {
  139. if (text.charCodeAt(j) > 255) {
  140. strLength += 2;
  141. if (strLength > rows * num) {
  142. strLength++;
  143. arr.push(text.slice(str, j));
  144. str = j;
  145. rows++;
  146. }
  147. } else {
  148. strLength++;
  149. if (strLength > rows * num) {
  150. arr.push(text.slice(str, j));
  151. str = j;
  152. rows++;
  153. }
  154. }
  155. }
  156. arr.push(text.slice(str, text.length));
  157. return [strLength, arr, rows] // [处理文字的总字节长度,每行显示内容的数组,行数]
  158. },
  159. /**
  160. * 获取分享海报
  161. * @param array arr2 海报素材
  162. * @param string store_name 素材文字
  163. * @param string price 价格
  164. * @param function successFn 回调函数
  165. *
  166. *
  167. */
  168. PosterCanvas: function(arr2, store_name, price, successFn) {
  169. let that = this;
  170. uni.showLoading({
  171. title: '海报生成中',
  172. mask: true
  173. });
  174. const ctx = uni.createCanvasContext('myCanvas');
  175. ctx.clearRect(0, 0, 0, 0);
  176. /**
  177. * 只能获取合法域名下的图片信息,本地调试无法获取
  178. *
  179. */
  180. uni.getImageInfo({
  181. src: arr2[0],
  182. success: function(res) {
  183. console.log(res,'getImageInfo')
  184. const WIDTH = res.width;
  185. const HEIGHT = res.height;
  186. ctx.drawImage(arr2[0], 0, 0, WIDTH, HEIGHT);
  187. ctx.drawImage(arr2[1], 0, 0, WIDTH, WIDTH);
  188. ctx.save();
  189. let r = 90;
  190. let d = r * 2;
  191. let cx = 40;
  192. let cy = 990;
  193. ctx.arc(cx + r, cy + r, r, 0, 2 * Math.PI);
  194. // ctx.clip();
  195. ctx.drawImage(arr2[2], cx, cy,d,d);
  196. ctx.restore();
  197. const CONTENT_ROW_LENGTH = 40;
  198. let [contentLeng, contentArray, contentRows] = that.textByteLength(store_name, CONTENT_ROW_LENGTH);
  199. if (contentRows > 2) {
  200. contentRows = 2;
  201. let textArray = contentArray.slice(0, 2);
  202. textArray[textArray.length - 1] += '……';
  203. contentArray = textArray;
  204. }
  205. ctx.setTextAlign('center');
  206. ctx.setFontSize(32);
  207. let contentHh = 32 * 1.3;
  208. for (let m = 0; m < contentArray.length; m++) {
  209. ctx.fillText(contentArray[m], WIDTH / 2, 820 + contentHh * m);
  210. }
  211. ctx.setTextAlign('center')
  212. ctx.setFontSize(48);
  213. ctx.setFillStyle('red');
  214. ctx.fillText('¥' + price, WIDTH / 2, 880 + contentHh);
  215. ctx.draw(true, function() {
  216. uni.canvasToTempFilePath({
  217. canvasId: 'myCanvas',
  218. fileType: 'png',
  219. destWidth: WIDTH,
  220. destHeight: HEIGHT,
  221. success: function(res) {
  222. uni.hideLoading();
  223. successFn && successFn(res.tempFilePath);
  224. }
  225. })
  226. });
  227. },
  228. fail: function(err) {
  229. uni.hideLoading();
  230. that.Tips({
  231. title: '无法获取图片信息'
  232. });
  233. }
  234. })
  235. },
  236. /*
  237. * 单图上传
  238. * @param object opt
  239. * @param callable successCallback 成功执行方法 data
  240. * @param callable errorCallback 失败执行方法
  241. */
  242. uploadImageOne: function(opt, successCallback, errorCallback) {
  243. let that = this;
  244. if (typeof opt === 'string') {
  245. let url = opt;
  246. opt = {};
  247. opt.url = url;
  248. }
  249. let token = uni.getStorageSync('token')
  250. let count = opt.count || 1,
  251. sizeType = opt.sizeType || ['compressed'],
  252. sourceType = opt.sourceType || ['album', 'camera'],
  253. is_load = opt.is_load || true,
  254. uploadUrl = opt.url || '',
  255. inputName = opt.name || 'pics';
  256. uni.chooseImage({
  257. count: count, //最多可以选择的图片总数
  258. sizeType: sizeType, // 可以指定是原图还是压缩图,默认二者都有
  259. sourceType: sourceType, // 可以指定来源是相册还是相机,默认二者都有
  260. success: function(res) {
  261. console.log('----',res)
  262. console.log('token',token)
  263. //启动上传等待中...
  264. uni.showLoading({
  265. title: '图片上传中',
  266. });
  267. console.log('----url',HTTP_REQUEST_URL + '/api/' + uploadUrl)
  268. uni.uploadFile({
  269. url: HTTP_REQUEST_URL + '/api/' + uploadUrl,
  270. filePath: res.tempFilePaths[0],
  271. name: inputName,
  272. formData: {
  273. 'filename': inputName
  274. },
  275. header: {
  276. // #ifdef MP
  277. "Content-Type": "multipart/form-data",
  278. // #endif
  279. [TOKENNAME]: 'Bearer ' + token
  280. },
  281. success: function(res) {
  282. uni.hideLoading();
  283. if (res.statusCode == 403) {
  284. that.Tips({
  285. title: res.data
  286. });
  287. } else {
  288. let data = res.data ? JSON.parse(res.data) : {};
  289. if (data.status == 200) {
  290. successCallback && successCallback(data)
  291. } else {
  292. errorCallback && errorCallback(data);
  293. that.Tips({
  294. title: data.msg
  295. });
  296. }
  297. }
  298. },
  299. fail: function(res) {
  300. uni.hideLoading();
  301. that.Tips({
  302. title: '上传图片失败'
  303. });
  304. }
  305. })
  306. // pathToBase64(res.tempFilePaths[0])
  307. // .then(imgBase64 => {
  308. // console.log(imgBase64);
  309. // })
  310. // .catch(error => {
  311. // console.error(error)
  312. // })
  313. }
  314. })
  315. },
  316. /**
  317. * 处理服务器扫码带进来的参数
  318. * @param string param 扫码携带参数
  319. * @param string k 整体分割符 默认为:&
  320. * @param string p 单个分隔符 默认为:=
  321. * @return object
  322. *
  323. */
  324. // #ifdef MP
  325. getUrlParams: function(param, k, p) {
  326. if (typeof param != 'string') return {};
  327. k = k ? k : '&'; //整体参数分隔符
  328. p = p ? p : '='; //单个参数分隔符
  329. var value = {};
  330. if (param.indexOf(k) !== -1) {
  331. param = param.split(k);
  332. for (var val in param) {
  333. if (param[val].indexOf(p) !== -1) {
  334. var item = param[val].split(p);
  335. value[item[0]] = item[1];
  336. }
  337. }
  338. } else if (param.indexOf(p) !== -1) {
  339. var item = param.split(p);
  340. value[item[0]] = item[1];
  341. } else {
  342. return param;
  343. }
  344. return value;
  345. },
  346. // #endif
  347. /*
  348. * 合并数组
  349. */
  350. SplitArray(list, sp) {
  351. if (typeof list != 'object') return [];
  352. if (sp === undefined) sp = [];
  353. for (var i = 0; i < list.length; i++) {
  354. sp.push(list[i]);
  355. }
  356. return sp;
  357. },
  358. trim(str) {
  359. return String.prototype.trim.call(str);
  360. },
  361. $h: {
  362. //除法函数,用来得到精确的除法结果
  363. //说明:javascript的除法结果会有误差,在两个浮点数相除的时候会比较明显。这个函数返回较为精确的除法结果。
  364. //调用:$h.Div(arg1,arg2)
  365. //返回值:arg1除以arg2的精确结果
  366. Div: function(arg1, arg2) {
  367. arg1 = parseFloat(arg1);
  368. arg2 = parseFloat(arg2);
  369. var t1 = 0,
  370. t2 = 0,
  371. r1, r2;
  372. try {
  373. t1 = arg1.toString().split(".")[1].length;
  374. } catch (e) {}
  375. try {
  376. t2 = arg2.toString().split(".")[1].length;
  377. } catch (e) {}
  378. r1 = Number(arg1.toString().replace(".", ""));
  379. r2 = Number(arg2.toString().replace(".", ""));
  380. return this.Mul(r1 / r2, Math.pow(10, t2 - t1));
  381. },
  382. //加法函数,用来得到精确的加法结果
  383. //说明:javascript的加法结果会有误差,在两个浮点数相加的时候会比较明显。这个函数返回较为精确的加法结果。
  384. //调用:$h.Add(arg1,arg2)
  385. //返回值:arg1加上arg2的精确结果
  386. Add: function(arg1, arg2) {
  387. arg2 = parseFloat(arg2);
  388. var r1, r2, m;
  389. try {
  390. r1 = arg1.toString().split(".")[1].length
  391. } catch (e) {
  392. r1 = 0
  393. }
  394. try {
  395. r2 = arg2.toString().split(".")[1].length
  396. } catch (e) {
  397. r2 = 0
  398. }
  399. m = Math.pow(100, Math.max(r1, r2));
  400. return (this.Mul(arg1, m) + this.Mul(arg2, m)) / m;
  401. },
  402. //减法函数,用来得到精确的减法结果
  403. //说明:javascript的加法结果会有误差,在两个浮点数相加的时候会比较明显。这个函数返回较为精确的减法结果。
  404. //调用:$h.Sub(arg1,arg2)
  405. //返回值:arg1减去arg2的精确结果
  406. Sub: function(arg1, arg2) {
  407. arg1 = parseFloat(arg1);
  408. arg2 = parseFloat(arg2);
  409. var r1, r2, m, n;
  410. try {
  411. r1 = arg1.toString().split(".")[1].length
  412. } catch (e) {
  413. r1 = 0
  414. }
  415. try {
  416. r2 = arg2.toString().split(".")[1].length
  417. } catch (e) {
  418. r2 = 0
  419. }
  420. m = Math.pow(10, Math.max(r1, r2));
  421. //动态控制精度长度
  422. n = (r1 >= r2) ? r1 : r2;
  423. return ((this.Mul(arg1, m) - this.Mul(arg2, m)) / m).toFixed(n);
  424. },
  425. //乘法函数,用来得到精确的乘法结果
  426. //说明:javascript的乘法结果会有误差,在两个浮点数相乘的时候会比较明显。这个函数返回较为精确的乘法结果。
  427. //调用:$h.Mul(arg1,arg2)
  428. //返回值:arg1乘以arg2的精确结果
  429. Mul: function(arg1, arg2) {
  430. arg1 = parseFloat(arg1);
  431. arg2 = parseFloat(arg2);
  432. var m = 0,
  433. s1 = arg1.toString(),
  434. s2 = arg2.toString();
  435. try {
  436. m += s1.split(".")[1].length
  437. } catch (e) {}
  438. try {
  439. m += s2.split(".")[1].length
  440. } catch (e) {}
  441. return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);
  442. },
  443. },
  444. // 获取地理位置;
  445. $L: {
  446. async getLocation() {
  447. // #ifdef APP-PLUS
  448. let status = await this.checkPermission();
  449. if (status !== 1) {
  450. return;
  451. }
  452. // #endif
  453. // #ifdef MP-WEIXIN || MP-TOUTIAO || MP-QQ
  454. let status = await this.getSetting();
  455. if (status === 2) {
  456. this.openSetting();
  457. return;
  458. }
  459. // #endif
  460. this.doGetLocation();
  461. },
  462. doGetLocation() {
  463. uni.getLocation({
  464. success: (res) => {
  465. uni.removeStorageSync('CACHE_LONGITUDE');
  466. uni.removeStorageSync('CACHE_LATITUDE');
  467. uni.setStorageSync('CACHE_LONGITUDE', res.longitude);
  468. uni.setStorageSync('CACHE_LATITUDE', res.latitude);
  469. },
  470. fail: (err) => {
  471. // #ifdef MP-BAIDU
  472. if (err.errCode === 202 || err.errCode === 10003) { // 202模拟器 10003真机 user deny
  473. this.openSetting();
  474. }
  475. // #endif
  476. // #ifndef MP-BAIDU
  477. if (err.errMsg.indexOf("auth deny") >= 0) {
  478. uni.showToast({
  479. title: "访问位置被拒绝"
  480. })
  481. } else {
  482. uni.showToast({
  483. title: err.errMsg
  484. })
  485. }
  486. // #endif
  487. }
  488. })
  489. },
  490. getSetting: function() {
  491. return new Promise((resolve, reject) => {
  492. uni.getSetting({
  493. success: (res) => {
  494. if (res.authSetting['scope.userLocation'] === undefined) {
  495. resolve(0);
  496. return;
  497. }
  498. if (res.authSetting['scope.userLocation']) {
  499. resolve(1);
  500. } else {
  501. resolve(2);
  502. }
  503. }
  504. });
  505. });
  506. },
  507. openSetting: function() {
  508. uni.openSetting({
  509. success: (res) => {
  510. if (res.authSetting && res.authSetting['scope.userLocation']) {
  511. this.doGetLocation();
  512. }
  513. },
  514. fail: (err) => {}
  515. })
  516. }
  517. // async checkPermission() {
  518. // let status = permision.isIOS ? await permision.requestIOS('location') :
  519. // await permision.requestAndroid('android.permission.ACCESS_FINE_LOCATION');
  520. // if (status === null || status === 1) {
  521. // status = 1;
  522. // } else if (status === 2) {
  523. // uni.showModal({
  524. // content: "系统定位已关闭",
  525. // confirmText: "确定",
  526. // showCancel: false,
  527. // success: function(res) {}
  528. // })
  529. // } else if (status.code) {
  530. // uni.showModal({
  531. // content: status.message
  532. // })
  533. // } else {
  534. // uni.showModal({
  535. // content: "需要定位权限",
  536. // confirmText: "设置",
  537. // success: function(res) {
  538. // if (res.confirm) {
  539. // permision.gotoAppSetting();
  540. // }
  541. // }
  542. // })
  543. // }
  544. // return status;
  545. // },
  546. }
  547. }