{"asks":[[3949,136.857],[3948.88,0.083],[3948.42,0.01],[3948,16.251],[3947.27,0.126],[3947,0.418],[3946.03,1.219],[3945.59,0.01],[3945,0.01],[3944,0.01],[3943.04,3.393],[3942.67,0.01],[3940,41.151],[3939.99,5],[3939.7,1],[3939,1],[3938.59,0.01],[3938,1.81],[3936.5,0.1],[3934.64,0.1],[3934.56,0.1],[3934,0.05],[3933.27,0.5],[3933,0.2],[3932.83,28],[3932,0.01],[3931,0.697],[3930,43.02],[3929.99,5],[3929.2,0.841],[3929,24.41],[3928.02,2],[3927,15.645],[3926.37,6],[3926.02,0.689],[3926,0.51],[3925.5,25.753],[3925,0.63],[3924.88,0.24],[3924.83,0.01],[3924.8,9.478],[3923,0.2],[3922.99,0.3],[3922,0.5],[3921,0.01],[3920.99,0.3],[3920.05,0.2],[3920,0.01],[3919.9,3.701],[3919.89,0.71],[3919,0.01],[3918.99,0.831],[3918.27,0.07],[3918,0.01],[3917,0.34],[3916.99,0.3],[3916,0.01],[3915,30.01],[3914.98,1.894],[3914.96,0.052]],"bids":[[3914.07,0.24],[3914.05,1.62],[3914.02,1.269],[3914,3.747],[3913,0.01],[3912.54,0.018],[3912,0.01],[3911.49,2.627],[3911,0.01],[3910.1,0.04],[3910,0.01],[3909,0.67],[3908,0.01],[3907,1.01],[3906.1,5],[3906.01,0.3],[3906,0.01],[3905,8.21],[3904.01,0.3],[3904,0.01],[3903,0.01],[3902.01,0.3],[3902,0.01],[3901,1.29],[3900.5,0.7],[3900.15,0.78],[3900.14,0.01],[3900.01,0.3],[3900,5.93],[3899.86,0.03],[3899,0.01],[3898.01,0.3],[3898,0.01],[3897.63,6],[3897,0.01],[3896.5,3.251],[3896.01,0.3],[3896,0.01],[3895,0.01],[3894.14,0.01],[3894.01,0.3],[3894,0.01],[3893,0.01],[3892.01,0.3],[3892,0.01],[3891.03,0.01],[3891,0.01],[3890.37,1.058],[3890.01,0.3],[3890,4.182],[3889,1.45],[3888.01,0.3],[3888,1.81],[3887.91,0.01],[3887,0.01],[3886.01,0.3],[3886,0.01],[3885,5.61],[3884.4,0.01],[3884.01,0.3]]}
这样一串如何解析？里面[3886.01,0.3] 这样一个左边代表价格(3886.01)，右边代表数量(0.3) 如何解析？
使用第三方jar包进行解析。可以直接将json串解析成对象。能应付一般工作了。
google也有一个json包，google-gson http://https://code.google.com/p/google-gson/
先格式化。http://jsonlint.com/
然后按照数组一个一个解析。。
{
"asks": [
[
3949,
136.857
],
[
3948.88,
0.083
],
[
3948.42,
0.01
],
[
3948,
16.251
],
[
3947.27,
0.126
],
[
3947,
0.418
],
[
3946.03,
1.219
],
[
3945.59,
0.01
],
[
3945,
0.01
],
[
3944,
0.01
],
[
3943.04,
3.393
],
[
3942.67,
0.01
],
[
3940,
41.151
],
[
3939.99,
5
],
[
3939.7,
1
],
[
3939,
1
],
[
3938.59,
0.01
],
[
3938,
1.81
],
[
3936.5,
0.1
],
[
3934.64,
0.1
],
[
3934.56,
0.1
],
[
3934,
0.05
],
[
3933.27,
0.5
],
[
3933,
0.2
],
[
3932.83,
28
],
[
3932,
0.01
],
[
3931,
0.697
],
[
3930,
43.02
],
[
3929.99,
5
],
[
3929.2,
0.841
],
[
3929,
24.41
],
[
3928.02,
2
],
[
3927,
15.645
],
[
3926.37,
6
],
[
3926.02,
0.689
],
[
3926,
0.51
],
[
3925.5,
25.753
],
[
3925,
0.63
],
[
3924.88,
0.24
],
[
3924.83,
0.01
],
[
3924.8,
9.478
],
[
3923,
0.2
],
[
3922.99,
0.3
],
[
3922,
0.5
],
[
3921,
0.01
],
[
3920.99,
0.3
],
[
3920.05,
0.2
],
[
3920,
0.01
],
[
3919.9,
3.701
],
[
3919.89,
0.71
],
[
3919,
0.01
],
[
3918.99,
0.831
],
[
3918.27,
0.07
],
[
3918,
0.01
],
[
3917,
0.34
],
[
3916.99,
0.3
],
[
3916,
0.01
],
[
3915,
30.01
],
[
3914.98,
1.894
],
[
3914.96,
0.052
]
],
"bids": [
[
3914.07,
0.24
],
[
3914.05,
1.62
],
[
3914.02,
1.269
],
[
3914,
3.747
],
[
3913,
0.01
],
[
3912.54,
0.018
],
[
3912,
0.01
],
[
3911.49,
2.627
],
[
3911,
0.01
],
[
3910.1,
0.04
],
[
3910,
0.01
],
[
3909,
0.67
],
[
3908,
0.01
],
[
3907,
1.01
],
[
3906.1,
5
],
[
3906.01,
0.3
],
[
3906,
0.01
],
[
3905,
8.21
],
[
3904.01,
0.3
],
[
3904,
0.01
],
[
3903,
0.01
],
[
3902.01,
0.3
],
[
3902,
0.01
],
[
3901,
1.29
],
[
3900.5,
0.7
],
[
3900.15,
0.78
],
[
3900.14,
0.01
],
[
3900.01,
0.3
],
[
3900,
5.93
],
[
3899.86,
0.03
],
[
3899,
0.01
],
[
3898.01,
0.3
],
[
3898,
0.01
],
[
3897.63,
6
],
[
3897,
0.01
],
[
3896.5,
3.251
],
[
3896.01,
0.3
],
[
3896,
0.01
],
[
3895,
0.01
],
[
3894.14,
0.01
],
[
3894.01,
0.3
],
[
3894,
0.01
],
[
3893,
0.01
],
[
3892.01,
0.3
],
[
3892,
0.01
],
[
3891.03,
0.01
],
[
3891,
0.01
],
[
3890.37,
1.058
],
[
3890.01,
0.3
],
[
3890,
4.182
],
[
3889,
1.45
],
[
3888.01,
0.3
],
[
3888,
1.81
],
[
3887.91,
0.01
],
[
3887,
0.01
],
[
3886.01,
0.3
],
[
3886,
0.01
],
[
3885,
5.61
],
[
3884.4,
0.01
],
[
3884.01,
0.3
]
]
}
java的JSON库有很多
json.org：
http://www.json.org/java/index.html
阿里巴巴的fastjson：
https://github.com/alibaba/fastjson
minimal-json:
https://github.com/ralfstx/minimal-json