Mysql替换了像+这样的特殊字符

Question

Hope you are doing well, Recently I am trying to store html code generated by summernote WYSIWYG editor to the MySQL database which most of the times may contain images within it, the problem is that MySQL replaces some characters like '+' with white-space, I have tried addslashes(), mysql_real_escape_string() functions of PHP but it didn't work, the data type I used in MySQL table is TEXT. Anybody have a solution or idea, please help. Thanks.

JavaScript Function to upload data:

function saveData(){
        var dt = $("#summernote").summernote('code');
        $.ajax({
            url: "save_data.php",
            type: 'POST',
            processData: false,
            data: 'editor_content=' + dt,
            success: function (data, textStatus, jqXHR) {
                $("#loaded").html("Success");
            }
        });
    }

JavaScript Function to download data:

function loadData(id){
        $.ajax({
            url: "get_data.php",
            type: 'post',
            data: 'id=' + id,
            processData: false,
            success: function (data, textStatus, jqXHR) {
                $("#loaded").html(data);
            }
        });
    }

PHP to Save data to database:

<?php

    $data = $_POST['editor_content'];
    $pdo = new PDO('mysql:host=localhost;dbname=richtext', 'root', '');
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $sth = $pdo->prepare("INSERT INTO text (data) VALUES (?)");
    $sth->execute(array($data));
    echo $data;
?/
**PH

P to retrieve data from database:**

<?php
    $id = $_POST['id'];
    $pdo = new PDO('mysql:host=localhost;dbname=richtext', 'root', '');
    $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
    $sth = $pdo->prepare("SELECT data FROM text WHERE id = ?");
    $sth->execute(array($id));
    print_r($sth->fetch());


?>

Real Code:

<p><img src="data:image/png;base64,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data-filename="_Male_Profile_Round_Circle_Users-128.png" style="width: 128px;"></p>

Stored in DB:

<p><img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAARHUlEQVR42u1deZAcVRnPJJtks7tsABMCIYKFJVLEkiMccbPZ7n6ve2Z3szvTx0wiBQUBSZSIVV6xSkorBQjikT wQA5RUMKhhMNCKBWJCggpEFAOFZUyApHiJuFYTCD6fd2zm97ZnunX53w9zFS92mSz frt 71 x/f9vt83bVr70/5E aiqnIM23dVybXutY8/vYTNqW9te69jzm2Ud0Ga6WkfY2da2R8ueyMPwAbNcbWbEzsdqb2CofICsmqqimmfB12/JXL9RVq0tCjMfk5i1XWLGDkU1xuDre9iqf96B/4Y/gz8Lf75O4eYFklpeo2gGGxiyFlD9feO0J/Kw2dA6XW12xM5HsrdkydqZimL1AVjrFdW6FUB/Dtr/JjcrQptkC23/HL6/nvPyJyRJ6sj6 AV9GD5gjqt1Rux8KHuMjS4AwNc6gFs764AVN/hT7OGqIXPrFlglzuwfLM/PyviFeRieJrugdbsa/n16WvYGB0/uhUFfI3Hrbhj4d4OCFTf4ta3ap7tkZn6qr6 4D7Xxiwo PqDH1bojdl7YnqRax8nc/BEM8JtxgRU3 FOb8QZ8vUrJV5Y0e/ziAr/X1Xoidr5HwF4OltaSrBr3JA9WsvYkbt4Hh9CVstw/N8Xxi23P73I9cPwXiNL5cTtz69mTmKlLqvHnZoCVqD1mPMa00qqkxy8oxn4HjO6aGZdY5yW10g/XrwdJgJWkPWY9ABN8aTPBr I7w/P/u64Wc2r2mkTAZ6x8MAzMjSTBSs7eHvjepuUF46Amgd/hOQFcToVO1wToTgj8HFzlznKcMu8r8PeeD1TjdbzO4likCP64p9BzAnRUPUnjE6ArCfAVxTwUrnO/zxJYSdqzPY SsSgF8Ge7PIUzJp0Bqt Y6ZoAnYmAr1on2TO/Df7kxs1XmVauJAT dBemExPA61AwPgGiuCc9O6/rpU4YlMtbAqwE7cH19xJZHt4/ZvC7XJ5CxLfD64dmuPaHXLxv/ugihRtb2 AL2mPmVkUZPTwm8MfPceMTYCq rgnQETf4jJlHwy/2bBv8YPYk1XyGseIJMTiNelwTwHtld02AWMGXuJEPfspvg793EhivwwukRMCj1zUBOhs6fiK6i6eAD/7wEsTU32mDH9WeMSZzY0VIPMYnQFeSUcKpy75WXgmd390GPy57xi4IiFkh8OhNOlDk ea3wU/CHk6C itBHTx6UgXf2fPby35y9owxrzNBEoGisKf9nW2wkrVnO9EUazEp8O17fvuql5o9IMlsk6TKgSTAtz18bSdP vaYdV cHsMIvn3i7l3wsUPg6Q74epHMyp9mmmEompUHpo7qboxZQxinABr5l ANuxIm9aMS09 lPJmAMXVFWuD31Avs0ARfH4Pv/xBAXb5hw4bpYSe7pq34kMJKZ8OkeJjqSgIT rSkwe/2uFs6IV2CUT3g3107UNAPjnuls1cIZv2d3GTnxmvL88VD0 YE5gjG84GJW0yUczcyMtKFTB5q2xzyCeqRShLhBMq8vI5U4ITpO2W1JKVFuIQB/x7BA SaVDiByFwJft9PdDD2MKZbKbNtc/Dc2yndHnA7FuQYRuMEUiNwyqp STOo1pJ00jyger9I6 pobkqUE4jUbUrgQw7Bi8uWjcxtFs9 6lbYdL/BnnqU81g4gTDjH6J1ADK/2swkCzszmVn/IeU0AqdcIpxA24FCiSzBjP9yrn g2Rk24CM4n5rHEG5oI3FzAnMonEDp6oPevWaDj/9P1kZPpOcuNh5BzGLjBGK HjXfuaxZn202 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Answer 1

Your problem is in your Javascript code, not on the server side.

data: 'editor_content=' + dt,

You're sending form data as a string, but not encoding it properly. The easiest fix will be to send it as an object, so that jQuery will encode it for you:

data: { editor_content: dt },