php - 将与号插入MySQL的问题

我试着解决这个问题已经有一段时间了，我花了无数的时间在网上寻找解决方案。所以我想我会去找你们，因为我对这个问题束手无策。基本上我以前设计过一个CMS系统，最近我用PDO等更新到了现代标准，现在我好像有个问题，在MySQL数据库中插入和符号（&），所有的东西都设置为“UTF-8”，PDO连接，MySQL排序，所有的东西，然而，由于某种原因，当文本区域的表单中有一个与号时，数据会被发送，但当它到达与号时会被切断，就好像它正在解析它并切断它一样，因为它认为与号是一个漏洞。
以下是我在PHP中插入的代码：

            $fbl = $_POST['fblValue'];
        $fbr = $_POST['fbrValue'];
        $sbl = $_POST['sblValue'];
        $sbr = $_POST['sbrValue'];
        $tbl = $_POST['tblValue'];
        $tbr = $_POST['tbrValue'];
        $fblDisabled = $_POST['fblDisabled'];
        $fbrDisabled = $_POST['fbrDisabled'];
        $sblDisabled = $_POST['sblDisabled'];
        $sbrDisabled = $_POST['sbrDisabled'];
        $tblDisabled = $_POST['tblDisabled'];
        $tbrDisabled = $_POST['tbrDisabled'];
        $footer = $_POST['footerValue'];
        $copyright = $_POST['copyrightValue'];

        $statement = $conn->prepare("UPDATE pages SET FBL = :fbl,
                                                    FBLDisabled = :fblDisabled,
                                                    FBR = :fbr,
                                                    FBRDisabled = :fbrDisabled,
                                                    SBL = :sbl, SBLDisabled = :sblDisabled,
                                                    SBR = :sbr, SBRDisabled = :sbrDisabled,
                                                    TBL = :tbr, TBLDisabled = :tblDisabled,
                                                    TBR = :tbr, TBRDisabled = :tbrDisabled,
                                                    Footer = :footer,
                                                    Copyright = :copyright
                                                    WHERE ID = :pageToEdit");
        $statement->bindParam(":fbl", $fbl);
        $statement->bindParam(":fblDisabled", $fblDisabled);
        $statement->bindParam(":fbr", $fbr);
        $statement->bindParam(":fbrDisabled", $fbrDisabled);
        $statement->bindParam(":sbl", $sbl);
        $statement->bindParam(":sblDisabled", $sblDisabled);
        $statement->bindParam(":sbr", $sbr);
        $statement->bindParam(":sbrDisabled", $sbrDisabled);
        $statement->bindParam(":tbl", $tbl);
        $statement->bindParam(":tblDisabled", $tbDisabled);
        $statement->bindParam(":tbr", $tbr);
        $statement->bindParam(":tbrDisabled", $tbrDisabled);
        $statement->bindParam(":footer", $footer);
        $statement->bindParam(":copyright", $copyright);
        $statement->bindParam(":pageToEdit", $pageToEdit);
        $statement->execute();
    }

我还可以补充一下，我使用ajax发送数据，是否有可能与此有关？
以下是AJAX代码：

<script type="text/javascript">


        function savePage(str1, str2, str3, str4, str5, str6, str7, str8, str9, str10, str11, str12, str13, str14)
        {
            var xmlhttp;

            if (window.XMLHttpRequest)
            {// code for IE7+, Firefox, Chrome, Opera, Safari
                xmlhttp=new XMLHttpRequest();
            }
            else
            {// code for IE6, IE5
                xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
            }

            xmlhttp.open("post", "putEditedPage.php", true);
            xmlhttp.setRequestHeader("Content-type","application/x-www-form-urlencoded");
            xmlhttp.send("fblValue=" + str1 + "&fbrValue=" + str2 + "&sblValue=" + str3 + "&sbrValue=" + str4 + "&tblValue=" + str5 + "&tbrValue=" + str6 + "&fblDisabled=" + str7 + "&fbrDisabled=" + str8 + "&sblDisabled=" + str9 + "&sbrDisabled=" + str10 + "&tblDisabled=" + str11 + "&tbrDisabled=" + str12 + "&footerValue=" + str13 + "&copyrightValue=" + str14);
            document.getElementById('blackout').style.display="block";
            document.getElementById('Alert').style.display="block";
            document.getElementById('Alert').style.marginTop=((window.innerHeight/2)+((window.innerHeight/100) * 35))+"px";
            setTimeout(function(){
                document.getElementById('blackout').style.display='none';
                document.getElementById('Alert').style.display='none';
            }, 1250);
        }
        function insertTab(o, e)
        {
            var kC = e.keyCode ? e.keyCode : e.charCode ? e.charCode : e.which;
            if (kC == 9 && !e.shiftKey && !e.ctrlKey && !e.altKey)
            {
                var oS = o.scrollTop;
                if (o.setSelectionRange)
                {
                    var sS = o.selectionStart;
                    var sE = o.selectionEnd;
                    o.value = o.value.substring(0, sS) + "\t" + o.value.substr(sE);
                    o.setSelectionRange(sS + 1, sS + 1);
                    o.focus();
                }
                else if (o.createTextRange)
                {
                    document.selection.createRange().text = "\t";
                    e.returnValue = false;
                }
                o.scrollTop = oS;
                if (e.preventDefault)
                {
                    e.preventDefault();
                }
                return false;
            }
            return true;
        }

    </script>

提前谢谢各位，干杯。

最佳答案

就在这里：

xmlhttp.send("fblValue=" + str1 + "&fbrValue=" + str2 + "&sblValue=" + str3 + ...
                                   ^                     ^

看到那些符号了吗？它们是URL编码中的特殊字符。若要提交包含与号本身的值，需要使用URL编码转义该与号。因此，encodeURIComponent在将值连接到URL编码的字符串之前。
也许我可以让你感兴趣：The Great Escapism (Or: What You Need To Know To Work With Text Within Text)

关于php - 将与号插入MySQL的问题，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/13238985/