调用接口查到的数据如何遍历

Question

{"resultcode":"200","reason":"查询成功!","result":[{"city":"北京","b90":"6.75","b93":"7.54","b97":"8.03","b0":"7.23"},{"city":"天津","b90":"6.67","b93":"7.54","b97":"7.96","b0":"7.18"},{"city":"河北","b90":"5.61","b93":"7.54","b97":"7.96","b0":"7.18"},{"city":"山西","b90":"5.64","b93":"7.49","b97":"8.09","b0":"7.25"},{"city":"内蒙古","b90":"","b93":"7.50","b97":"8.05","b0":"6.99"},{"city":"辽宁","b90":"5.86","b93":"7.51","b97":"8.10","b0":"7.10"},{"city":"吉林","b90":"6.10","b93":"7.51","b97":"8.10","b0":"7.10"},{"city":"黑龙江","b90":"","b93":"7.40","b97":"7.90","b0":"6.95"},{"city":"上海","b90":"6.62","b93":"7.51","b97":"7.99","b0":"7.16"},{"city":"江苏","b90":"6.66","b93":"7.51","b97":"7.99","b0":"7.14"},{"city":"浙江","b90":"5.99","b93":"7.51","b97":"7.99","b0":"7.16"},{"city":"安徽","b90":"6.37","b93":"7.50","b97":"8.03","b0":"7.22"},{"city":"福建","b90":"5.62","b93":"7.51","b97":"8.02","b0":"7.17"},{"city":"江西","b90":"6.60","b93":"7.50","b97":"8.06","b0":"7.23"},{"city":"山东","b90":"5.54","b93":"7.52","b97":"8.07","b0":"7.18"},{"city":"河南","b90":"5.68","b93":"7.55","b97":"8.06","b0":"7.17"},{"city":"湖北","b90":"5.40","b93":"7.55","b97":"8.09","b0":"7.17"},{"city":"湖南","b90":"6.64","b93":"7.49","b97":"7.97","b0":"7.25"},{"city":"广东","b90":"","b93":"7.56","b97":"8.19","b0":"7.19"},{"city":"广西","b90":"5.45","b93":"7.60","b97":"8.21","b0":"7.24"},{"city":"海南","b90":"7.61","b93":"8.66","b97":"9.19","b0":"7.27"},{"city":"重庆","b90":"6.53","b93":"7.61","b97":"8.04","b0":"7.25"},{"city":"四川","b90":"6.12","b93":"7.57","b97":"8.15","b0":"7.27"},{"city":"贵州","b90":"6.94","b93":"7.67","b97":"8.11","b0":"7.29"},{"city":"云南","b90":"6.70","b93":"7.69","b97":"8.25","b0":"7.25"},{"city":"西藏","b90":"7.23","b93":"8.42","b97":"8.91","b0":"7.72"},{"city":"陕西","b90":"5.67","b93":"7.43","b97":"7.85","b0":"7.08"},{"city":"甘肃","b90":"5.51","b93":"7.43","b97":"7.94","b0":"7.08"},{"city":"青海","b90":"5.85","b93":"7.50","b97":"8.04","b0":"7.11"},{"city":"宁夏","b90":"5.56","b93":"7.45","b97":"7.87","b0":"7.07"},{"city":"新疆","b90":"6.06","b93":"7.33","b97":"7.88","b0":"6.99"}],"error_code":0}

Answer 1

你一开始就应该把问题说清楚，获取了json数据，需要展示easyui的datagrid里。
如果时展示在datagrid里，都不需要循环，直接返回这个json就行了
官网有例子，就连json数据都给你打包好了，如果格式不符合返回的数据，你后台就要先解析处理数据，然后再打包成json数据。这里我就不写代码了。