1 |
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2 |
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3 |
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4 |
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5 | module.exports = Context
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6 |
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7 |
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8 | function Context(context,app){
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9 | var models = app.models;
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10 |
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11 |
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12 | if(context.m)
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13 | console.error('koa context中m方法已经存在,请注意');
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14 | else
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15 | context.m = getModel
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16 |
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17 | function getModel(name){
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18 | if(!models[name]){
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19 | console.error('你所调用的 模型不存在!');
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20 | throw new Error();
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21 | }
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22 | else{
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23 | return models[name]
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24 | }
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25 | }
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26 |
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27 |
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28 |
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29 | if(context.ajax)
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30 | console.error('koa context中ajax方法已经存在,请注意');
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31 | else
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32 | context.ajax = ajaxHandler
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33 |
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34 |
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35 | function ajaxHandler(errorMsg,data){
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36 | var result = {}
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37 | if(arguments.length == 2){
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38 | result.status = 'error'
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39 | result.msg = errorMsg
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40 | result.data = data;
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41 | }
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42 | else if(arguments.length == 1){
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43 | result.status = 'success'
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44 | result.data = errorMsg;
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45 | }
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46 | context.body = result;
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47 | }
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48 |
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49 |
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50 |
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51 | if(context.send)
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52 | console.error('koa context中send方法已经存在,请注意');
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53 | else
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54 | context.send = sendHandler
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55 |
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56 |
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57 | function sendHandler(status,data){
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58 | if(arguments.length == 2){
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59 | context.status = status;
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60 | context.body = data
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61 |
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62 | }
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63 | else if(arguments.length == 1){
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64 | context.body = status
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65 | }
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66 | }
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67 |
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68 |
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69 |
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70 | if(context.errors)
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71 | console.error('koa context中errors方法已经存在,请注意');
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72 | else
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73 | context.errors = errorsHandler
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74 |
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75 |
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76 | function errorsHandler(status,error){
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77 | if(arguments.length == 1){
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78 | error = status
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79 | status = 422;
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80 | }
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81 | context.status = status;
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82 | context.body = {errors:error};
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83 | }
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84 |
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85 |
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86 |
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87 | } |
\ | No newline at end of file |