code
$.ajax({ type: "POST", url: "/encrype", contentType: "application/json", data: JSON.stringify(json), /*传给后端的数据格式json*/ dataType: "json", /*后端返回的数据格式json*/ success: function(data){ res=data.encryped; console.log("c-------> server返回加密后的字符串------>",res); var decrypt = new JSEncrypt(); decrypt.setPrivateKey($('#privkey').val()); var uncrypted = decrypt.decrypt(res); console.log("d-------> js解密c后的字符串------>",uncrypted); // Now a simple check to see if the round-trip worked. if (uncrypted == $('#input').val()) { } else { alert('Something went wrong....'); } }, error: function (message) { console.log("error"); } });