将文本封装在每行中的contenteditable div中 [英] Wrap text inside contenteditable div in every row
本文介绍了将文本封装在每行中的contenteditable div中的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在研究类似于基于C ++的基于Web的IDE。我有一些问题,当我试图追加一个文本文件到我contenteditable div(打开文件按钮)。 DOM结构必须是类似于
I am working on to something like a C++ web-based IDE. Im having some problem when i tried to append a text file to my contenteditable div (open file button). The DOM structure MUST be something like
<div id = "board_code">
<div>text in row1</div>
<div>text in row2</div>
<div>text in row3</div>
</div>
JS
JS
function readSingleFile(evt) {
var f = evt.target.files[0];
console.log(f);
if (!f) {
alert("Failed to load file");
return;
}
if (f.name.indexOf('.txt') == -1) {
alert(f.name + " is not a valid text file.");
return;
}
var r = new FileReader();
r.onload = function(e) {
var contents = e.target.result;
contents = contents.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"').replace(/\r\n/,'<br>');;
alert( "Got the file.n"
+"name: " + f.name + "n"
+"type: " + f.type + "n"
+"size: " + f.size + " bytesn"
+ "contents: " + contents
);
document.getElementById('board').innerHTML = contents;
}
r.readAsText(f);
}
document.getElementById('fileinput').addEventListener('change', readSingleFile, false);
http:// jsfiddle .net / 88vtR / 32 /
如何将div中的文本附加到DOM之前将其包装到div中?
How would i wrap the text in div every row before appending it to the DOM?
推荐答案
您可以尝试以下操作...
Can you try following...
function readSingleFile(evt) {
var f = evt.target.files[0];
//console.log(f);
if (!f) {
alert("Failed to load file");
return;
}
if (f.name.indexOf('.txt') == -1) {
alert(f.name + " is not a valid text file.");
return;
}
var r = new FileReader();
r.onload = function (e) {
var contents = e.target.result; //.replace("\r\n","<br/>");
contents = contents.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>').replace(/"/g, '"');
alert("Got the file.n" + "name: " + f.name + "n" + "type: " + f.type + "n" + "size: " + f.size + " bytesn" + "contents: " + contents);
var tmpSent = "";
var newContents = "";
for (var i = 0; i < contents.length; i++) {
if(contents.charAt(i) == '\n') {
newContents += "<div>"+tmpSent+"</div>";
tmpSent = "";
}
else
tmpSent += contents.charAt(i);
};
if(tmpSent.length>0)
newContents += "<div>"+tmpSent+"</div>";
console.log(newContents);
document.getElementById('board').innerHTML = newContents;
}
r.readAsText(f);
}
document.getElementById('fileinput').addEventListener('change', readSingleFile, false);
这里是小提琴链接... jsfiddle
Here's fiddle link...jsfiddle
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