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\u6587\u6863\u622a\u56fe<\/h3>\n

\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u6838\u5fc3\u4ee3\u7801<\/h3>\n

package<\/span> com.<\/span>utils<\/span>;<\/span><\/p>\n

import<\/span> java.<\/span>util.<\/span><\/span>Random<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>springframework.<\/span>stereotype.<\/span><\/span>Component<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>apache.<\/span>commons.<\/span>lang3.<\/span><\/span>StringUtils<\/span><\/span>;<\/span>
\nimport<\/span> org.<\/span>apache.<\/span>poi.<\/span>ss.<\/span>usermodel.<\/span><\/span>Cell<\/span><\/span>;<\/span>
\nimport<\/span> java.<\/span>text.<\/span><\/span>DecimalFormat<\/span><\/span>;<\/span>
\nimport<\/span> java.<\/span>util.<\/span><\/span>Objects<\/span><\/span>;<\/span><\/p>\n

@Component<\/span>
\npublic<\/span> class<\/span> CommonUtil<\/span> {<\/span>
\n\/**
\n * \u83b7\u53d6\u968f\u673a\u5b57\u7b26\u4e32
\n *
\n * @param num
\n * @return
\n *\/<\/span>
\n public<\/span> static<\/span> String<\/span> getRandomString<\/span>(<\/span>Integer<\/span> num)<\/span> {<\/span>
\n String<\/span> base =<\/span> "abcdefghijklmnopqrstuvwxyz0123456789"<\/span>;<\/span>
\n Random<\/span> random =<\/span> new<\/span> Random<\/span>(<\/span>)<\/span>;<\/span>
\n StringBuffer<\/span> sb =<\/span> new<\/span> StringBuffer<\/span>(<\/span>)<\/span>;<\/span>
\n for<\/span> (<\/span>int<\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> num;<\/span> i++<\/span>)<\/span> {<\/span>
\n int<\/span> number =<\/span> random.<\/span>nextInt<\/span>(<\/span>base.<\/span>length<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n sb.<\/span>append<\/span>(<\/span>base.<\/span>charAt<\/span>(<\/span>number)<\/span>)<\/span>;<\/span>
\n }<\/span>
\n return<\/span> sb.<\/span>toString<\/span>(<\/span>)<\/span>;<\/span>
\n }<\/span><\/p>\n

\/**
\n * \u83b7\u53d6\u968f\u673a\u9a8c\u8bc1\u7801
\n *
\n * @param num
\n * @return
\n *\/<\/span>
\npublic<\/span> static<\/span> String<\/span> getRandomNumber<\/span>(<\/span>Integer<\/span> num)<\/span> {<\/span>
\n String<\/span> base =<\/span> "0123456789"<\/span>;<\/span>
\n Random<\/span> random =<\/span> new<\/span> Random<\/span>(<\/span>)<\/span>;<\/span>
\n StringBuffer<\/span> sb =<\/span> new<\/span> StringBuffer<\/span>(<\/span>)<\/span>;<\/span>
\n for<\/span> (<\/span>int<\/span> i =<\/span> 0<\/span>;<\/span> i <<\/span> num;<\/span> i++<\/span>)<\/span> {<\/span>
\n int<\/span> number =<\/span> random.<\/span>nextInt<\/span>(<\/span>base.<\/span>length<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n sb.<\/span>append<\/span>(<\/span>base.<\/span>charAt<\/span>(<\/span>number)<\/span>)<\/span>;<\/span>
\n }<\/span>
\n return<\/span> sb.<\/span>toString<\/span>(<\/span>)<\/span>;<\/span>
\n}<\/span><\/p>\n

public<\/span> static<\/span> String<\/span> getCellValue<\/span>(<\/span>Cell<\/span> cell)<\/span> {<\/span>
\n String<\/span> resultValue =<\/span> ""<\/span>;<\/span>
\n \/\/ \u5224\u7a7a<\/span>
\n if<\/span> (<\/span>Objects<\/span>.<\/span>isNull<\/span>(<\/span>cell)<\/span>)<\/span> {<\/span>
\n return<\/span> resultValue;<\/span>
\n }<\/span><\/p>\n

\/\/ \u62ff\u5230\u5355\u5143\u683c\u7c7b\u578b<\/span>
\n int<\/span> cellType =<\/span> cell.<\/span>getCellType<\/span>(<\/span>)<\/span>;<\/span>
\n switch<\/span> (<\/span>cellType)<\/span> {<\/span>
\n \/\/ \u5b57\u7b26\u4e32\u7c7b\u578b<\/span>
\n case<\/span> Cell<\/span>.<\/span>CELL_TYPE_STRING<\/span>:<\/span>
\n resultValue =<\/span> StringUtils<\/span>.<\/span>isEmpty<\/span>(<\/span>cell.<\/span>getStringCellValue<\/span>(<\/span>)<\/span>)<\/span> ?<\/span> ""<\/span> :<\/span> cell.<\/span>getStringCellValue<\/span>(<\/span>)<\/span>.<\/span>trim<\/span>(<\/span>)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n \/\/ \u5e03\u5c14\u7c7b\u578b<\/span>
\n case<\/span> Cell<\/span>.<\/span>CELL_TYPE_BOOLEAN<\/span>:<\/span>
\n resultValue =<\/span> String<\/span>.<\/span>valueOf<\/span>(<\/span>cell.<\/span>getBooleanCellValue<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n \/\/ \u6570\u503c\u7c7b\u578b<\/span>
\n case<\/span> Cell<\/span>.<\/span>CELL_TYPE_NUMERIC<\/span>:<\/span>
\n resultValue =<\/span> new<\/span> DecimalFormat<\/span>(<\/span>"#.######"<\/span>)<\/span>.<\/span>format<\/span>(<\/span>cell.<\/span>getNumericCellValue<\/span>(<\/span>)<\/span>)<\/span>;<\/span>
\n break<\/span>;<\/span>
\n \/\/ \u53d6\u7a7a\u4e32<\/span>
\n default<\/span>:<\/span>
\n break<\/span>;<\/span>
\n }<\/span>
\n return<\/span> resultValue;<\/span>
\n }<\/span><\/p>\n

}<\/span><\/p>\n

\u4e3a\u4ec0\u4e48\u9009\u62e9\u6211：<\/h3>\n

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\u6e90\u7801\u83b7\u53d6<\/h3>\n

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