\u4e24\u79cd\u6a21\u5f0f\uff1a
\n– \u6d41\u5f0f
\n– \u5206\u7247<\/p>\n
\/\/ \u6587\u4ef6\u4e00\u5757\u4e00\u5757\u7684\u8bfb\u53d6,buf\u4e3a1k\nfunc ReadBlockBy1KBuf(path string) {\n fi, err := os.Open(path)\n if err != nil {\n log.Println(err)\n return\n }\n defer fi.Close()\n \/\/ \u8bbe\u7f6e\u6bcf\u6b21\u8bfb\u53d6\u5b57\u8282\u6570\n buffer := make([]byte, 1024)\n for {\n n, err := fi.Read(buffer)\n \/\/ \u6839\u636e\u5b9e\u9645\u8c03\u6574\u63a7\u5236\u6761\u4ef6\n if err != nil && err != io.EOF {\n log.Println(err)\n }\n if n == 0 {\n break\n }\n \/\/ \u5982\u4e0b\u4ee3\u7801\u6253\u5370\u51fa\u6bcf\u6b21\u8bfb\u53d6\u7684\u6587\u4ef6\u5757(\u5b57\u8282\u6570)\n \/\/fmt.Println(string(buffer[:n]))\n }\n}\n<\/code><\/pre>\n\n- \u5206\u7247<\/li>\n<\/ol>\n
\/\/ \u8bfb\u53d6\u6587\u4ef6\u7684\u6bcf\u4e00\u884c\nfunc ReadEachLineReader(filePath string) {\n FileHandle, err := os.Open(filePath)\n if err != nil {\n log.Println(err)\n return\n }\n defer FileHandle.Close()\n lineReader := bufio.NewReader(FileHandle)\n for {\n \/\/ \u76f8\u540c\u4f7f\u7528\u573a\u666f\u4e0b\u53ef\u4ee5\u91c7\u7528\u7684\u65b9\u6cd5\n \/\/ func (b *Reader) ReadLine() (line []byte, isPrefix bool, err error)\n \/\/ func (b *Reader) ReadBytes(delim byte) (line []byte, err error)\n \/\/ func (b *Reader) ReadString(delim byte) (line string, err error)\n _, _, err := lineReader.ReadLine()\n if err == io.EOF {\n break\n }\n \/\/ \u6253\u5370\u6bcf\u6b21\u8bfb\u53d6\u7684\u6587\u4ef6\u884c\u5185\u5bb9\n \/\/fmt.Println(string(line))\n }\n}\n\n\/\/ \u8bfb\u53d6\u6587\u4ef6\u7684\u6bcf\u4e00\u884c\nfunc ReadEachLineScanner(filePath string) {\n FileHandle, err := os.Open(filePath)\n if err != nil {\n log.Println(err)\n return\n }\n defer FileHandle.Close()\n lineScanner := bufio.NewScanner(FileHandle)\n for lineScanner.Scan() {\n \/\/ \u76f8\u540c\u4f7f\u7528\u573a\u666f\u4e0b\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u65b9\u6cd5\n \/\/ func (s *Scanner) Bytes() []byte\n \/\/ func (s *Scanner) Text() string\n \/\/ \u6253\u5370\u6bcf\u6b21\u8bfb\u53d6\u7684\u6587\u4ef6\u884c\u5185\u5bb9\n \/\/fmt.Println(lineScanner.Text())\n }\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"