28 lines
1.1 KiB
JavaScript
28 lines
1.1 KiB
JavaScript
module.exports = {
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// 一维数组转二维数组
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listToMatrix(list, elementsPerSubArray) {
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let matrix = [], i, col, row;
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for (i = 0, row = -1; i < list.length; i += 1) {
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col = i % elementsPerSubArray;
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row = Math.floor(i / elementsPerSubArray);
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if (!matrix[row]) matrix[row] = [0, 0, 0];
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matrix[row][col] = list[i];
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}
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return matrix;
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},
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// 选中文件之后，计算一个随机的短文件名
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getRandFileName: function (filePath) {
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var extIndex = filePath.lastIndexOf('.');
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var extName = extIndex === -1 ? '' : filePath.substr(extIndex);
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return parseInt('' + Date.now() + Math.floor(Math.random() * 900 + 100), 10).toString(36) + extName;
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},
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// 对更多字符编码的 url encode 格式
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camSafeUrlEncode: function (str) {
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return encodeURIComponent(str)
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.replace(/!/g, '%21')
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.replace(/'/g, '%27')
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.replace(/\(/g, '%28')
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.replace(/\)/g, '%29')
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.replace(/\*/g, '%2A');
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},
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}; |