Redbean: Getting Started (1), Getting Started with redbean_PHP Tutorial

Redbean: Getting Started (1), Getting Started with redbean

<?<span>php
    </span><span>require_once</span> 'rb.php'<span>;
    </span><span>$tableName</span> = "link"<span>;
    </span><span>//</span><span>链接数据库</span>
    R::setup("mysql:host=localhost;dbname=hwibs_model","root",""<span>);
    </span><span>//</span><span>创建一个表（也可以指为实例化一个表）</span>
    <span>$handler</span> = R::dispense(<span>$tableName</span><span>);
    
    
    </span><span>#</span><span>####################################   add #####################################</span>
    
    <span>/*</span><span>同上[同时实例化多个表]
        list($handler_1,$handler_2) = R::dispenseALL("test_1,test_2");
    </span><span>*/</span>
    <span>//</span><span>对象方式给字段赋值
    //::注意，如果字段不存在，store方法过后，会自动添加对应的字段，并且自动根据字段值设置字段的对应字段类型</span>
    <span>$handler</span>->name = "haha"<span>;
    </span><span>$handler</span>->url = "isxiugai"<span>;
    </span><span>$handler</span>->plushtime = <span>time</span>() - 5000<span>;
    </span><span>//</span><span>如果有下划线的字段名，则可以使用驼峰法命名，将自动转换为下划线</span>
    <span>$handler</span>->isMyName = <span>false</span>;<span>//</span><span> = is_my_name
    //执行,此静态方法会返回添加成功后的自增id值(单个)</span>
    <span>$inser_id</span> = R::store(<span>$handler</span><span>);
    
    </span><span>#</span><span>####################################   query ####################################
    //获取记录句柄(参数1为表名，参数2为id值),返回值为对象集合
    //如果id不存在，则返回0
    //注意，这个获取到的句柄，可以用于删除操作</span>
    <span>$bean</span>  = R::load(<span>$tableName</span>,4);<span>//</span><span>获取单个</span>
    <span>$beans</span> = R::loadAll(<span>$tableName</span>,<span>array</span>(1,2,3,4));<span>//</span><span>获取多个</span>

    <span>#</span><span>####################################   update #####################################
    
    //1.注意，修改跟add的唯一区别就是id，如果id不为空，则为修改，否则则为添加!
    //2.如果id不存在的情况下，既不会添加，也不会修改！所以一般在修改前，需要事先用load进行判断是否存在</span>
    
    <span>foreach</span> (<span>$beans</span> <span>as</span> <span>$k</span>=><span>$v</span><span>){
        </span><span>$beans</span>[<span>$k</span>]->url = <span>rand</span>(100,5555);<span>//</span><span>测试[循环将每个记录对象中的url赋值一个随机数]</span>
<span>    }
    R</span>::storeAll(<span>$beans</span>);<span>//</span><span>执行修改</span>
    
    
    <span>#</span><span>####################################   delete #####################################
    //删除单个::成功或失败都是返回null</span>
    <span>var_dump</span>(R::trash(R::load(<span>$tableName</span>,1<span>)));
    </span><span>//</span><span>删除多个::如果有不存在的，则会只删除存在的,成功或失败都是返回null</span>
    <span>var_dump</span>(R::trashAll(R::loadALL(<span>$tableName</span>,<span>array</span>(117,118<span>))));
    
    
    </span><span>#</span><span>####################################   other #####################################
    //清除表中所有数据::相当于truncate，因为会将自增指针重置
    //R::wipe($tableName);
    //删除数据库中所有的表,[无语的功能，要这个搞毛]
    //var_dump(R::nuke());
    //关闭链接</span>
    R::<span>close();
</span>?>

A C entry

It’s not an error, it has no impact, it’s a matter of project settings

Who can recommend an introductory tutorial for learning FPGA?

"Verilog Digital System Design Tutorial (Second Edition)" Xia Yuwen This is the basics of grammar. This book has an electronic version
"Playing with FPGA in simple terms (includes a CD)" Wu Houhang has experience in video tutorials for this book Talk about
"Altera FPGA/CPLD Design (Basics) (2nd Edition)" This book includes an introduction to Altera devices and the use of quartus
"Altera FPGA/CPLD Design (Advanced) (2nd Edition)" Advanced skills in FPGA design
"Design and Verification Verilog HDL" Wu Jihua, Wang Cheng This book is good, just read the electronic version. Experience
"Advanced FPGA design structure, implementation and optimization" (US) Kerry This is written by Meng Xianyuan, whose translation is said to be very advanced

http://www.bkjia.com/PHPjc/856579.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/856579.htmlTechArticleRedbean: getting started (1), getting started with redbean? php require_once 'rb.php'; $tableName = "link" ; // Link to database R::setup("mysql:host=localhost;dbname=hwibs_model","root","" ); // Create...