<img  id="contents2_img" alt="" src="data:images/hope.png" style="width: 100%; height:100%;border: none;">

<script>

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    var cate = 10;

    $(document).ready(function () {

        $.ajax(

            {

                type: "GET",

                url: baseURL + 'api/articles/getArticlesList?catecode=10',

                data: {},

                success: function (data) {

                    if (data.code == 0 && data.articlesList.length>0) {

                        var $data = data.articlesList[0].content;

                        console.log($data)

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//                        document.getElementById('contents2_img').src=$data;

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</script>