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38 lines
900 B
38 lines
900 B
var mysql = require('mysql');
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var connection = mysql.createConnection({
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host : '127.0.0.1',
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user : 'root',
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port : '13307',
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password : '123456',
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database : 'mailbox'
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});
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//创建一个connection
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connection.connect(function(err){
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if(err){
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console.log('[query] - :'+err);
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return;
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}
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console.log('[connection connect] succeed!');
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});
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//执行SQL语句
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connection.query('SELECT * FROM mail', function(err, rows, fields) {
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if (err) {
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console.log('[query] - :'+err);
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return;
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}
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console.log('共有' + rows.length + '条记录。');
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for (var i = rows.length - 1; i >= 0; i--) {
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m=rows.length-i;
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console.log('第' + m + '条记录为: ', rows[m-1]);
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}
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});
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//关闭connection
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connection.end(function(err){
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if(err){
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return;
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}
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console.log('[connection end] succeed!');
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}); |