Php...... House Rental Practice

Multi-Criteria Query Search page, submitted to the current page processing

<?PHPinclude(".. /db.class.php ");$db=NewDB ();/*var_dump ($_post["qy"]);    Selected Area var_dump ($_post["ZLLX"]);    Selected lease Type Var_dump ($_post["FWLX"]); Selected house type Var_dump ($_post["Guanjianzi"]);*/ //input keyword//$sql = "SELECT * from house where area in (' Sakai ', ' Sanyi Temple ', ' Upper Uptown ')"; So you need to split the array into strings, with ', ' separated, using implode ("delimiter", Array) /c10>$VG= ""; $TJ 1= "1=1";$TJ 2= "1=1";$TJ 3= "1=1";$TJ 4= "1=1";//determines whether the passed value is empty, four conditions four timesif(!Empty($_post["QY"])){    $attr=$_post["QY"]; $str=implode("‘,‘",$attr);//split the array into strings, separated by ', '    Var_dump($str); $vjs= "area in (' {$str}‘)";//Quotation marks in a query statement are used to complete the quotes at both ends    }if(!Empty($_post["Zllx"])){    $attr=$_post["Zllx"]; $str=implode("‘,‘",$attr); $TJ 2= "Renttype in (' {$str}‘)"; }if(!Empty($_post["FWLX"])){    $attr=$_post["FWLX"]; $str=implode("‘,‘",$attr); $TJ 3= "Housetype in (' {$str}‘)"; }if(!Empty($_post["Key"])){    $GJZ=$_post["Key"]; $TJ 4= "KeyWord like '%{$GJZ}%‘"; $VG=$GJZ; }$ss= "Where {$TJ 1} and {$TJ 2} and {$TJ 3} and {$TJ 4}";?>

<!--form Content -<formAction= "zufang.php"Method= "POST">    <Div>Area:<inputtype= "checkbox"onclick= "Checkall (this, ' qy ')"/>Select All<!--This represents the button itself QY represents the classname of the following option -    </Div>      <Div>

<?PHP//Regional Options    $sqlqy= "SELECT distinct area from house"; $attrqy=$db->query ($sqlqy, 0, "Housedb"); //Var_dump ($attr);     foreach($attrqy  as $v)    {        Echo"<input type= ' checkbox ' value= ' {$v[0]} ' class= ' qy ' name= ' qy[] ' >{$v[0]} "; }    ?> </div><br/> <div>type of leasing:<input type= "checkbox" onclick= "Checkall (This, ' zllx ')"/>Select All</div> <div> <?PHP//Leasing Type Options    $sqlzl= "SELECT distinct Renttype from house"; $attrzl=$db->query ($sqlzl, 0, "Housedb"); //Var_dump ($ATTRLX);     foreach($attrzl  as $v)    {        Echo"<input type= ' checkbox ' value= ' {$v[0]} ' class= ' zllx ' name= ' zllx[] '/> {$v[0]} "; }    ?> </div><br/> <div>type of house:<input type= "checkbox" id= "Fwlxqx" onclick= "Checkall (This, ' fwlx ')"/>Select All</div> <div> <?PHP//Housing Type Options    $SQLFW= "SELECT distinct Housetype from house"; $ATTRFW=$db->query ($SQLFW, 0, "Housedb"); //Var_dump ($ATTRFW);     foreach($ATTRFW  as $v)    {        Echo"<input type= ' checkbox ' value= ' {$v[0]} ' class= ' fwlx ' name= ' fwlx[] '/> {$v[0]} "; }?> </div><br/>

 <!--keyword search box -    <Div>Key Words:<inputtype= "text"name= "Key"value= "<?php echo $vg;? > " />    </Div>    <BR/>    <inputtype= "Submit"value= "Search" /></form><BR/><!--House Rental Form -<Tablewidth= "100%"Border= "1"cellpadding= "0"cellspacing= "0"><TR><TD>Key words</TD><TD>Regional</TD><TD>Area</TD><TD>Rent</TD><TD>Type of Leasing</TD><TD>Type of House</TD></TR>

<?PHP$SQLSS= "SELECT * from House".$ss;//echo $SQLSS;$attrss=$db->query ($SQLSS, 0, "Housedb");foreach($attrss  as $v){        $RPG= "<span style= ' color:red ' >{$VG}</span> "; $STRG=Str_replace($VG,$RPG,$v[1]); Echo"<tr> <td>{$STRG}</td> <td>{$v[2]}</td> <td>{$v[3]}</td> <td>{$v[4]}</td> <td>{$v[5]}</td> <td>{$v[6]}</td> </tr>";}? ></table></body><script type= "Text/javascript" >functionCheckall (A,b) {    varXZ = a.checked;//find selection of the Select All button    varCK = Document.getelementsbyclassname (b);//find the checkbox corresponding to the Select all     for(vari=0; i<ck.length;i++) {Ck[i]. checked =XZ; }}</script>

Attention:

1. Multiple select buttons to implement the same function with one method, you need to pass the parameters to the method

Two parameters are passed in the above, this and classname

This represents the element itself, and classname represents the options for each selection

2. Stitching an array into a string with implode ("delimiter", Array)

Splitting a string into an array with explode ("delimiter", "string")

Delimiter to write well, you can write an example to see clearly and then write

Php...... House Rental Practice