php online mysql big data import program

<span><br> 1</span> <?<span>php
</span><span> 2</span><span>header</span>("content-type:text/html;charset=utf-8"<span>);
</span><span> 3</span><span>error_reporting</span>(<span>E_ALL</span><span>);
</span><span> 4</span><span>set_time_limit</span>(0<span>);
</span><span> 5</span><span>$file</span>='./test.sql'<span>;
</span><span> 6</span><span>$data</span>=<span>file</span>(<span>$file</span><span>);
</span><span> 7</span><span> 8</span><span>echo</span> "<pre class="brush:php;toolbar:false">"<span>;
</span><span> 9</span><span>//</span><span>print_r($data);</span><span>10</span><span>$data_new</span>=<span>array</span><span>();
</span><span>11</span><span>$tmp</span>=<span>array</span><span>();
</span><span>12</span><span>foreach</span> (<span>$data</span><span>as</span><span>$line</span><span>) {
</span><span>13</span><span>14</span><span>$line</span>=<span>trim</span>(<span>$line</span><span>);
</span><span>15</span><span>if</span>(<span>strlen</span>(<span>$line</span>)==0<span>){
</span><span>16</span><span>continue</span><span>;
</span><span>17</span><span>    }
</span><span>18</span><span>if</span>(<span>substr</span>(<span>$line</span>,0,2)=='--'<span>){
</span><span>19</span><span>continue</span><span>;
</span><span>20</span><span>    }
</span><span>21</span><span>if</span>(<span>substr</span>(<span>$line</span>,0,2)=='/*'<span>){
</span><span>22</span><span>continue</span><span>;
</span><span>23</span><span>    }
</span><span>24</span><span>$tmp</span>[]=<span>$line</span><span>;
</span><span>25</span><span>if</span>(<span>substr</span>(<span>$line</span>,-1)==';'<span>){
</span><span>26</span><span>$query</span>=<span>implode</span>('',<span>$tmp</span><span>);
</span><span>27</span><span>$tmp</span>=<span>array</span><span>();
</span><span>28</span><span>$data_new</span>[]=<span>$query</span><span>;
</span><span>29</span><span>    }
</span><span>30</span><span>31</span><span>}
</span><span>32</span><span>33</span><span>34</span><span>35</span><span>$mysqli</span>=<span>new</span> mysqli('localhost','root','root','test'<span>);
</span><span>36</span><span>if</span>(<span>$mysqli</span>-><span>connect_errno){
</span><span>37</span><span>exit</span>('数据库连接失败！'<span>);
</span><span>38</span><span>}
</span><span>39</span><span>$mysqli</span>->query("set names utf8"<span>);
</span><span>40</span><span>41</span><span>$error</span>=<span>array</span><span>();
</span><span>42</span><span>foreach</span>(<span>$data_new</span><span>as</span><span>$sql</span><span>){
</span><span>43</span><span>$mysqli</span>->query(<span>$sql</span><span>);
</span><span>44</span><span>$r</span>=<span>$mysqli</span>-><span>error;
</span><span>45</span><span>if</span>(<span>$r</span>) <span>$error</span>[]=<span>$r</span><span>;
</span><span>46</span><span>}
</span><span>47</span><span>print_r</span>(<span>$r</span><span>);
</span><span>48</span><span>49</span><span>50</span><span>/*</span><span>51</span><span>52</span><span>53</span><span>mysql>ALTER TABLE tbl2 DISABLE KEYS;
</span><span>54</span><span>Query OK, 0 rows affected (0.00 sec)
</span><span>55</span><span>56</span><span>mysql>INSERT INTO tbl2 SELECT * FROM tbl1;
</span><span>57</span><span>Query OK, 2000000 row affected (36.30 sec)
</span><span>58</span><span>Records: 2000000 Duplicates: 0 Warnings: 0
</span><span>59</span><span>60</span><span>mysql>ALTER TABLE tbl2 ENABLE KEYS;
</span><span>61</span><span>Query OK, 0 rows affected (44.55 sec)
</span><span>62</span><span>63</span><span>64</span><span>*/</span>