实例1、php 读txt文件插入数据库,代码如下:
- <?php
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- $m = mysql_connect('127.0.0.1','root','') or die("Invalid query: " . mysql_error());
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- mysql_select_db('discuz', $m) or die("Invalid query: " . mysql_error());
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- $handle = fopen("aa.txt", "r");
- while (!feof($handle)) {
- $buffer = ($handle);
- $ss[] = explode(' ', $buffer);
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- }
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- mysql_query("set names 'utf8'",$m);
- foreach($ss as $k => $v){
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- $kanum = $v[1];
- $username = $v[2];
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- $rank = (int)$v[0];
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- $num = $v[3];
- $zunum = $v[4];
- $sex = $v[5];
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- $yucolor = $v[6];
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- $backtime = $v[8].' '.$v[9];
- $kongju = $v[10];
- $fengspeed = $v[11];
- mysql_query("insert into match_view_test (`kanum`, `username`, `mid`, `rank`, `num` ,`zunum` ,`sex` ,`yucolor` ,`eye` ,`backtime` ,`kongju` ,`fengspeed` )
- VALUES('$kanum','$username', 20111014060110765,$rank,'$num','$zunum','$sex','$yucolor','$eye','$backtime','$kongju','$fengspeed')") or die("Invalid query: " . mysql_error());
- }
- ?>
php读取txt文件组成SQL并插入数据库的代码.
先看数据结构,代码如下:
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- CREATE TABLE `100000_insert` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `parentid` int(11) NOT NULL,
- `name` varchar(255) DEFAULT NULL,
- PRIMARY KEY (`id`)
- ) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8
- 100000 (10万)行插入:Insert 100000_line_data use 2.5534288883209 seconds
- 1000000(100万)行插入:Insert 1000000_line_data use 19.677318811417 seconds
php文件,代码如下:
- <?php
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- function loadTxtDataIntoDatabase($splitChar,$file,$table,$conn,$fields=array(),$insertType='INSERT'){
- if(emptyempty($fields)) $head = "{$insertType} INTO `{$table}` VALUES('";
- else $head = "{$insertType} INTO `{$table}`(`".implode('`,`',$fields)."`) VALUES('";
- $end = "')";
- $sqldata = trim(file_get_contents($file));
- if(preg_replace('/s*/i','',$splitChar) == '') {
- $splitChar = '/(w+)(s+)/i';
- $replace = "$1','";
- $specialFunc = 'preg_replace';
- }else {
- $splitChar = $splitChar;
- $replace = "','";
- $specialFunc = 'str_replace';
- }
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- $sqldata = preg_replace('/(s*)(n+)(s*)/i',''),('',$sqldata);
- $sqldata = $specialFunc($splitChar,$replace,$sqldata);
- $query = $head.$sqldata.$end;
- if(mysql_query($query,$conn)) return array(true);
- else {
- return array(false,mysql_error($conn),mysql_errno($conn));
- }
- }
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- require 'db.php';
- $splitChar = '|';
- $file = 'sqldata1.txt';
- $fields = array('id','parentid','name');
- $table = 'cengji';
- $result = loadTxtDataIntoDatabase($splitChar,$file,$table,$conn,$fields);
- if (array_shift($result)){
- echo 'Success!<br/>';
- }else {
- echo 'Failed!--Error:'.array_shift($result).'<br/>';
- }
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- require 'db.php';
- $splitChar = ' ';
- $file = 'sqldata2.txt';
- $fields = array('id','make','model','year');
- $table = 'cars';
- $result = loadTxtDataIntoDatabase($splitChar,$file,$table,$conn,$fields);
- if (array_shift($result)){
- echo 'Success!<br/>';
- }else {
- echo 'Failed!--Error:'.array_shift($result).'<br/>';
- }
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- require 'db.php';
- $splitChar = ' ';
- $file = 'sqldata3.txt';
- $fields = array('id','make','model','year');
- $table = 'cars';
- $insertType = 'REPLACE';
- $result = loadTxtDataIntoDatabase($splitChar,$file,$table,$conn,$fields,$insertType);
- if (array_shift($result)){
- echo 'Success!<br/>';
- }else {
- echo 'Failed!--Error:'.array_shift($result).'<br/>';
- }
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- require 'db.php';
- $splitChar = ' ';
- $file = 'sqldata3.txt';
- $fields = array('id','value');
- $table = 'notExist';
- $result = loadTxtDataIntoDatabase($splitChar,$file,$table,$conn,$fields);
- if (array_shift($result)){
- echo 'Success!<br/>';
- }else {
- echo 'Failed!--Error:'.array_shift($result).'<br/>';
- }
-
- /*
- ?>
- <?php
- static $connect = null;
- static $table = 'jilian';
- if(!isset($connect)) {
- $connect = mysql_connect("localhost","root","");
- if(!$connect) {
- $connect = mysql_connect("localhost","Zjmainstay","");
- }
- if(!$connect) {
- die('Can not connect to database.Fatal error handle by /test/db.php');
- }
- mysql_select_db("test",$connect);
- mysql_query("SET NAMES utf8",$connect);
- $conn = &$connect;
- $db = &$connect;
- }
- ?>
如果出现MySQL server has gone away 是因为导入数据包过大,导入mysql挂机了,我们解决方法是修改my.ini/my.cnf max_allowed_packet=20M. |