与更新版本的Angular不同，Angular 4 DatePipe似乎不支持将时区作为参数传递。
我有一个后端服务，该服务返回一个没有时区的ISO 8601格式的日期时间字符串（例如def decoding_layer(dec_embed_input, embeddings, enc_output, enc_state, vocab_size, text_length, summary_length,
max_summary_length, rnn_size, vocab_to_int, keep_prob, batch_size, num_layers):
'''Create the decoding cell and attention for the training and inference decoding layers'''
for layer in range(num_layers):
with tf.variable_scope('decoder_{}'.format(layer)):
lstm = tf.contrib.rnn.LSTMCell(rnn_size,
initializer=tf.random_uniform_initializer(-0.1, 0.1, seed=2))
dec_cell = tf.contrib.rnn.DropoutWrapper(lstm,
input_keep_prob = keep_prob)
output_layer = Dense(vocab_size,
kernel_initializer = tf.truncated_normal_initializer(mean = 0.0, stddev=0.1))
attn_mech = tf.contrib.seq2seq.BahdanauAttention(rnn_size,
enc_output,
text_length,
normalize=False,
name='BahdanauAttention')
dec_cell = tf.contrib.seq2seq.AttentionWrapper(dec_cell,
attn_mech,
rnn_size)
initial_state = tf.contrib.seq2seq.AttentionWrapperState(enc_state[0],_zero_state_tensors(rnn_size, batch_size, tf.float32))
with tf.variable_scope("decode"):
training_logits = training_decoding_layer(dec_embed_input,
summary_length,
dec_cell,
initial_state,
output_layer,
vocab_size,
max_summary_length)
with tf.variable_scope("decode", reuse=True):
inference_logits = inference_decoding_layer(embeddings,
vocab_to_int['<GO>'],
vocab_to_int['<EOS>'],
dec_cell,
initial_state,
output_layer,
max_summary_length,
batch_size)
return training_logits, inference_logits
），并以UTC格式存储并返回。
如何使用2018-12-04T19:01:50.062将日期时间显示为用户的本地时间？
答案 0 :(得分：3)
Angular 4的DatePipe支持UTC zone designator后缀（'Z'），因此，如果您传递给管道的值是UTC日期时间，则后端服务可以使用'Z返回日期时间'区域指示符，或者您可以附加DatePipe，它将以用户的本地时间显示日期时间。
例如，
Z 注意：，如果您希望<span class="date">{{ value + 'Z' | date:'short' }}</span>
使用用户的Angular的LOCALE_ID以正确的语言环境（将导出的提供程序导入到您的应用模块中），则需要确保该设置。浏览器设置：
DatePipe在export class WindowRefService {
public getWindow(): Window {
return window;
}
}
export function languageFactory(windowRef: WindowRefService): string {
return windowRef.getWindow().navigator.language;
}
export const localeProvider = {
provide: LOCALE_ID,
deps: [WindowRefService],
useFactory: languageFactory
};
上查看其他问题：Angular4: Locale for a user