var
codeblocks = document.getElementsByTagName(
"pre"
)
for
(
var
i = 0; i < codeblocks.length; i++) {
currentCode = codeblocks[i]
currentCode.style =
"position: relative;"
var
copy = document.createElement(
"div"
)
copy.style =
"position: absolute;right: 4px;\
top: 4px;background-color: white;padding: 2px 8px;\
margin: 8px;border-radius: 4px;cursor: pointer;\
box-shadow: 0 2px 4px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.05);"
copy.innerHTML =
"复制"
currentCode.appendChild(copy)
copy.style.visibility =
"hidden"
}
for
(
var
i = 0; i < codeblocks.length; i++) {
!
function
(i) {
codeblocks[i].onmouseover =
function
() {
codeblocks[i].childNodes[1].style.visibility =
"visible"
}
function
copyArticle(event) {
const range = document.createRange();
range.selectNode(codeblocks[i].childNodes[0]);
const selection = window.getSelection();
if
(selection.rangeCount > 0) selection.removeAllRanges();
selection.addRange(range);
document.execCommand(
'copy'
);
codeblocks[i].childNodes[1].innerHTML =
"复制成功"
setTimeout(
function
() {
codeblocks[i].childNodes[1].innerHTML =
"复制"
}, 1000);
if
(selection.rangeCount > 0) selection.removeAllRanges(); 0
}
codeblocks[i].childNodes[1].addEventListener(
'click'
, copyArticle,
false
);
}(i);
!
function
(i) {
codeblocks[i].onmouseout =
function
() {
codeblocks[i].childNodes[1].style.visibility =
"hidden"
}
}(i);
}