Comments (2)
//作业 是写一个zfconcat 方法跟上面的合并一样
Buffer.zfconcat = function(sp1,sp2,num){
var total = sp1.length +sp2.length;
var newBuffer = new Buffer(num);
var array = [];
for(var i=0;i<sp1.length;i++){
array.push(sp1[i]);
}
for(var j=i;j<newBuffer.length;i++){
array.push(sp1[j]);
}
newBuffer.fill(array);
return newBuffer;
}
console.log("自定义"+Buffer.zfconcat(sp1,sp2,6).toString('utf8'))
from 201603node.
Buffer.zfconcat = function (ary ,length) {
if (!length) {
length=0;
ary.forEach(function(i) {
i.forEach(function(j) {
length++;
})
});
}
var result = new Buffer(length);
var k=0;
ary.forEach(function(i) {
i.forEach(function(j) {
result.fill(j , k, k+1);
k++;
})
});
return new Buffer(result);
};
from 201603node.
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from 201603node.