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MYsqli 绑定插入与查询实例,mysqli实例

WBOY
发布: 2016-06-13 09:29:42
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MYsqli 绑定插入与查询实例,mysqli实例

<?<span>php
    </span><span>$conn</span> = <span>new</span> mysqli('localhost','root','','orders'); <span>//</span><span>连接</span>
    <span>$prepare</span> = "insert into t100 values (?,?,?)";<span>//</span><span>预设插入sql</span>
    <span>$bind</span> = <span>$conn</span>->prepare(<span>$prepare</span><span>);
    </span><span>$t1</span> = <span>NULL</span><span>;
    </span><span>$t2</span> = 'Www'<span>;
    </span><span>$t3</span> = <span>date</span>('Y-m-d H:i:s'<span>);
    </span><span>$bind</span>->bind_param('iss',<span>$t1</span>,<span>$t2</span>,<span>$t3</span>); <span>//</span><span>绑定
    //注意iss:
    //i为int,s为string类型;意思是强制这几个参数的类型</span>
    <span>$bind</span>->execute();<span>//</span><span>执行</span>

    <span>$prepare</span> = "select * from t100"; <span>//</span><span>准备要查询的语句</span>
    <span>$bind</span> = <span>$conn</span>->prepare(<span>$prepare</span>);<span>//</span><span>预处理</span>
    <span>$t1</span> = 10<span>;
    </span><span>$bind</span>->execute();<span>//</span><span>执行</span>
    <span>$bind</span>->bind_result(<span>$id</span>, <span>$name</span>, <span>$date</span>);<span>//</span><span>将字段列绑定到变量上</span>
    <span>$bind</span>->store_result();<span>//</span><span>获取结果集</span>
    <span>while</span> (<span>$bind</span>->fetch()){<span>//</span><span>遍历</span>
        <span>printf</span>("%d == %s == %s<br />",<span>$id</span>,<span>$name</span>,<span>$date</span>);<span>//</span><span>输出</span>
    }
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