cork例子

Author: chyingp

examples/2017.05.24-node-stream-writable/methods/cork.js

@@ -0,0 +1,16 @@
+var fs = require('fs');
+var dest = fs.createWriteStream('./dest.txt', {flags: 'w'});
+
+var max = 16 * 1024;
+var buff1 = Buffer.from('a'.repeat(max));
+var buff2 = Buffer.from('b'.repeat(max));
+
+dest.cork();
+
+var ret1 = dest.write(buff1);
+console.log(ret1);
+
+var ret2 = dest.write(buff2);
+console.log(ret2);
+
+dest.uncork();  // 备注：如果注释掉这行代码，内容不会写到 dest.txt 里